‘Document hunters’ smuggled hundreds of thousands of government files out of Syria. Here’s how they did it

By Jomana Karadsheh, Tim Lister, Barbara Arvanitidis and Tamara Qiblawi, CNN
Updated 8:04 AM EDT, Tue May 28, 2019
06:53 - Source: CNN
Smuggled documents allege Syria committed war crimes
CNN —  

Col. Anwar R. worked for Syria’s intelligence services until he defected at the end of 2012. He fled to Turkey and then moved to Europe, joining the ranks of the exiled Syrian opposition. Eventually, however, his history caught up with him.

Anwar R. was arrested in Berlin in February, suspected of crimes against humanity, including the torture of prisoners. He is the first current or former senior Syrian officer to be arrested in connection with the Assad regime’s brutal suppression of protests at the start of the country’s March 2011 uprising.

He was detained along with another Syrian, identified by German prosecutors as Eyad A., who worked for the regime’s intelligence service and is also suspected of involvement in torturing prisoners. Both men face charges in German courts; multiple attempts to reach their lawyers for comment were unsuccessful.

CIJA Director Chris Engels says that as Syria's war winds down, the pursuit of justice against Assad's regime has become more 'urgent.'
William Bonnett/CNN
CIJA Director Chris Engels says that as Syria's war winds down, the pursuit of justice against Assad's regime has become more 'urgent.'

A third Syrian was arrested in France on suspicion of crimes against humanity.

The arrests come eight years after the 2011 protests spiraled into a nation-wide bloodbath. Today, the guns on most of Syria’s frontlines have fallen silent. Yet these arrests may signal a new phase in this conflict and they are considered the first big catch for the Syrian war’s dedicated investigators.

Sometimes known as the “document hunters,” these Syrians have been recruited and trained by former war crimes investigators and lawyers to smuggle hundreds of thousands of government documents out of war zones. Often sprinting past explosions and sniper fire to bring the papers to safety, they risk their lives to help hold the perpetrators of war crimes accountable.

The ‘document hunters’

“I said goodbye to my wife and children and told them I am no longer yours. I am owned by Syria, by justice,” said one investigator who asked to be identified as Adel.

A well-built middle-aged man, Adel is a self-described idealist. A commercial lawyer before the uprising, he has dedicated the last seven years of his life to the pursuit of justice.

“If you think about the work you’ve done which you would like written on your tombstone, then for me, this is it,” Adel said.

“It is an extremely dangerous task because we are not armed,” he added. “And you have to preserve (the evidence) like you would protect a baby.”

Displaced Syrian residents wait to receive food aid distributed by the UN Relief and Works Agency at the besieged al-Yarmouk camp, south of Damascus, Syria, on January 31, 2014. According to the UN Envoy for Syria, an estimated 400,000 Syrians have been killed since an uprising in March 2011 spiraled into civil war. See how the conflict has unfolded.
Photos: In photos: Syria's civil war
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Displaced Syrian residents wait to receive food aid distributed by the UN Relief and Works Agency at the besieged al-Yarmouk camp, south of Damascus, Syria, on January 31, 2014. According to the UN Envoy for Syria, an estimated 400,000 Syrians have been killed since an uprising in March 2011 spiraled into civil war. See how the conflict has unfolded.
Photos: In photos: Syria's civil war
An injured man lying in the back of a vehicle is rushed to a hospital in Daraa, Syria, on March 23, 2011. Violence flared in Daraa after a group of teens and children were arrested for writing political graffiti. Dozens of people were killed when security forces cracked down on demonstrations.
Photos: In photos: Syria's civil war
Anwar Amro/AFP/Getty Images
An injured man lying in the back of a vehicle is rushed to a hospital in Daraa, Syria, on March 23, 2011. Violence flared in Daraa after a group of teens and children were arrested for writing political graffiti. Dozens of people were killed when security forces cracked down on demonstrations.
Anti-government protesters demonstrate in Daraa on March 23, 2011. In response to continuing protests, the Syrian government announced several plans to appease citizens.
Photos: In photos: Syria's civil war
Hussein Malla/AP
Anti-government protesters demonstrate in Daraa on March 23, 2011. In response to continuing protests, the Syrian government announced several plans to appease citizens.
Syrian children walk over bricks stored for road repairs during a spontaneous protest June 15, 2011, at a refugee camp near the Syrian border in Yayladagi, Turkey.
Photos: In photos: Syria's civil war
Vadim Ghirda/AP
Syrian children walk over bricks stored for road repairs during a spontaneous protest June 15, 2011, at a refugee camp near the Syrian border in Yayladagi, Turkey.
Jamal al-Wadi speaks in Istanbul on September 15, 2011, after an alignment of Syrian opposition leaders announced the creation of a Syrian National Council -- their bid to present a united front against Bashar al-Assad's regime and establish a democratic system.
Photos: In photos: Syria's civil war
Burhan Ozbilici/AP
Jamal al-Wadi speaks in Istanbul on September 15, 2011, after an alignment of Syrian opposition leaders announced the creation of a Syrian National Council -- their bid to present a united front against Bashar al-Assad's regime and establish a democratic system.
Delegates from Arab League member states and Turkey discuss a response to the government's crackdown in Syria on November 16, 2011.
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Abdelhak Senna/AFP/Getty Images
Delegates from Arab League member states and Turkey discuss a response to the government's crackdown in Syria on November 16, 2011.
Supporters of al-Assad celebrate during a referendum vote in Damascus on February 26, 2012. Opposition activists reported at least 55 deaths across the country as Syrians headed to the polls. Analysts and protesters widely described the constitutional referendum as a farce. "Essentially, what (al-Assad's) done here is put a piece of paper that he controls to a vote that he controls so that he can try and maintain control," a US State Department spokeswoman said.
Photos: In photos: Syria's civil war
Khaled Al-Hariri/Reuters/LANDOV
Supporters of al-Assad celebrate during a referendum vote in Damascus on February 26, 2012. Opposition activists reported at least 55 deaths across the country as Syrians headed to the polls. Analysts and protesters widely described the constitutional referendum as a farce. "Essentially, what (al-Assad's) done here is put a piece of paper that he controls to a vote that he controls so that he can try and maintain control," a US State Department spokeswoman said.
Syrian refugees walk across a field in Syria before crossing into Turkey on March 14, 2012.
Photos: In photos: Syria's civil war
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Syrian refugees walk across a field in Syria before crossing into Turkey on March 14, 2012.
Rebel fighters with the Free Syrian Army capture a police officer in Aleppo, Syria, who they believed to be pro-regime militiaman on July 31, 2012. Dozens of officers were reportedly killed as rebels seized police stations in the city.
Photos: In photos: Syria's civil war
Emin Ozmen/AFP/Getty Images
Rebel fighters with the Free Syrian Army capture a police officer in Aleppo, Syria, who they believed to be pro-regime militiaman on July 31, 2012. Dozens of officers were reportedly killed as rebels seized police stations in the city.
A Free Syrian Army fighter runs for cover as a Syrian Army tank shell hits a building across the street during clashes in the Salaheddine neighborhood of central Aleppo on August 17, 2012.
Photos: In photos: Syria's civil war
Goran Tomasevic/Reuters/Landov
A Free Syrian Army fighter runs for cover as a Syrian Army tank shell hits a building across the street during clashes in the Salaheddine neighborhood of central Aleppo on August 17, 2012.
Family members mourn the deaths of their relatives in front of a field hospital in Aleppo on August 21, 2012.
Photos: In photos: Syria's civil war
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Family members mourn the deaths of their relatives in front of a field hospital in Aleppo on August 21, 2012.
A Syrian man carrying grocery bags dodges sniper fire in Aleppo as he runs through an alley near a checkpoint manned by the Free Syrian Army on September 14, 2012.
Photos: In photos: Syria's civil war
Marco Longari/AFP/Getty Images
A Syrian man carrying grocery bags dodges sniper fire in Aleppo as he runs through an alley near a checkpoint manned by the Free Syrian Army on September 14, 2012.
Free Syrian Army fighters are reflected in a mirror they use to see a Syrian Army post only 50 meters away in Aleppo on September 16, 2012.
Photos: In photos: Syria's civil war
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Free Syrian Army fighters are reflected in a mirror they use to see a Syrian Army post only 50 meters away in Aleppo on September 16, 2012.
Smoke rises over the streets after a mortar bomb from Syria landed in the Turkish border village of Akcakale on October 3, 2012. Five people were killed. In response, Turkey fired on Syrian targets and its parliament authorized a resolution giving the government permission to deploy soldiers to foreign countries.
Photos: In photos: Syria's civil war
Rauf Maltas/Anadolu Agency/Reuters/LANDOV
Smoke rises over the streets after a mortar bomb from Syria landed in the Turkish border village of Akcakale on October 3, 2012. Five people were killed. In response, Turkey fired on Syrian targets and its parliament authorized a resolution giving the government permission to deploy soldiers to foreign countries.
A Syrian rebel walks inside a burnt section of the Umayyad Mosque in Aleppo hours before the Syrian army retook control of the complex on October 14, 2012.
Photos: In photos: Syria's civil war
Tauseef Mustafa/AFP/Getty Images
A Syrian rebel walks inside a burnt section of the Umayyad Mosque in Aleppo hours before the Syrian army retook control of the complex on October 14, 2012.
An Israeli tank crew sits on the Golan Heights overlooking the Syrian village of Breqa on November 6, 2012. Israel fired warning shots toward Syria after a mortar shell hit an Israeli military post. It was the first time Israel fired on Syria across the Golan Heights since the 1973 Yom Kippur War.
Photos: In photos: Syria's civil war
Menahem Kahana/AFP/Getty Images
An Israeli tank crew sits on the Golan Heights overlooking the Syrian village of Breqa on November 6, 2012. Israel fired warning shots toward Syria after a mortar shell hit an Israeli military post. It was the first time Israel fired on Syria across the Golan Heights since the 1973 Yom Kippur War.
Smoke rises in the Hanano and Bustan al-Basha districts in Aleppo as fighting continues through the night on December 1, 2012.
Photos: In photos: Syria's civil war
Javier Manzano/AFP/Getty Images
Smoke rises in the Hanano and Bustan al-Basha districts in Aleppo as fighting continues through the night on December 1, 2012.
The bodies of three children are laid out for identification by family members at a makeshift hospital in Aleppo on December 2, 2012. The children were allegedly killed in a mortar shell attack that landed close to a bakery in the city.
Photos: In photos: Syria's civil war
Javier Manzano/AFP/Getty Images
The bodies of three children are laid out for identification by family members at a makeshift hospital in Aleppo on December 2, 2012. The children were allegedly killed in a mortar shell attack that landed close to a bakery in the city.
A father reacts after the deaths of two of his children in Aleppo on January 3, 2013.
Photos: In photos: Syria's civil war
Muzaffar Salman/Reuters/Landov
A father reacts after the deaths of two of his children in Aleppo on January 3, 2013.
Syrians look for survivors amid the rubble of a building targeted by a missile in the al-Mashhad neighborhood of Aleppo on January 7, 2013.
Photos: In photos: Syria's civil war
Achilleas Zavallis/AFP/Getty Images
Syrians look for survivors amid the rubble of a building targeted by a missile in the al-Mashhad neighborhood of Aleppo on January 7, 2013.
Rebels launch a missile near the Abu Baker brigade in Al-Bab, Syria, on January 16, 2013.
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Edouard Elias/AFP/Getty Images
Rebels launch a missile near the Abu Baker brigade in Al-Bab, Syria, on January 16, 2013.
An aerial view shows the Zaatari refugee camp near the Jordanian city of Mafraq on July 18, 2013.
Photos: In photos: Syria's civil war
Mandel Ngan/AFP/Getty Images
An aerial view shows the Zaatari refugee camp near the Jordanian city of Mafraq on July 18, 2013.
The UN Security Council passes a resolution September 27, 2013, requiring Syria to eliminate its arsenal of chemical weapons. Al-Assad said he would abide by the resolution.
Photos: In photos: Syria's civil war
Stan Honda/AFP/Getty Images
The UN Security Council passes a resolution September 27, 2013, requiring Syria to eliminate its arsenal of chemical weapons. Al-Assad said he would abide by the resolution.
Residents run from a fire at a gasoline and oil shop in Aleppo's Bustan Al-Qasr neighborhood on October 20, 2013. Witnesses said the fire was caused by a bullet from a pro-government sniper.
Photos: In photos: Syria's civil war
Haleem Al-Halabi/Reuters/Landov
Residents run from a fire at a gasoline and oil shop in Aleppo's Bustan Al-Qasr neighborhood on October 20, 2013. Witnesses said the fire was caused by a bullet from a pro-government sniper.
Syrian children wait as doctors perform medical checkups at a refugee center in Sofia, Bulgaria, on October 26, 2013.
Photos: In photos: Syria's civil war
Stoyan Nenov/Reuters/LANDOV
Syrian children wait as doctors perform medical checkups at a refugee center in Sofia, Bulgaria, on October 26, 2013.
An injured man is helped following an airstrike in Aleppo's Maadi neighborhood on December 17, 2013.
Photos: In photos: Syria's civil war
Mohammed Al-Khateib/AFP/Getty Images
An injured man is helped following an airstrike in Aleppo's Maadi neighborhood on December 17, 2013.
A man holds a baby who was rescued from rubble after an airstrike in Aleppo on February 14, 2014.
Photos: In photos: Syria's civil war
Hosam Katan/Reuters/Landov
A man holds a baby who was rescued from rubble after an airstrike in Aleppo on February 14, 2014.
A US ship staff member wears personal protective equipment at a naval airbase in Rota, Spain, on April 10, 2014. A former container vessel was fitted out with at least $10 million of gear to let it take on about 560 metric tons of Syria's most dangerous chemical agents and sail them out to sea, officials said.
Photos: In photos: Syria's civil war
Marcelo del Pozo/Reuters/Landov
A US ship staff member wears personal protective equipment at a naval airbase in Rota, Spain, on April 10, 2014. A former container vessel was fitted out with at least $10 million of gear to let it take on about 560 metric tons of Syria's most dangerous chemical agents and sail them out to sea, officials said.
A Free Syrian Army fighter fires a rocket-propelled grenade during heavy clashes in Aleppo on April 27, 2014.
Photos: In photos: Syria's civil war
Jalal Al-Mamo/Reuters/Landov
A Free Syrian Army fighter fires a rocket-propelled grenade during heavy clashes in Aleppo on April 27, 2014.
A giant poster of al-Assad is seen in Damascus on May 31, 2014, ahead of the country's presidential elections. He received 88.7% of the vote in the country's first election after the civil war broke out.
Photos: In photos: Syria's civil war
Pan Chaoyue/Xinhua/Landov
A giant poster of al-Assad is seen in Damascus on May 31, 2014, ahead of the country's presidential elections. He received 88.7% of the vote in the country's first election after the civil war broke out.
Rebel fighters execute two men on July 25, 2014, in Binnish, Syria. The men were reportedly charged by an Islamic religious court with detonating several car bombs.
Photos: In photos: Syria's civil war
Amr Radwan Al-Homsi/AFP/Getty Images
Rebel fighters execute two men on July 25, 2014, in Binnish, Syria. The men were reportedly charged by an Islamic religious court with detonating several car bombs.
Photographs of victims of the Assad regime are displayed as a Syrian army defector known as "Caesar," center, appears in disguise to speak before the House Foreign Affairs Committee in Washington. The July 31, 2014, briefing was called "Assad's Killing Machine Exposed: Implications for U.S. Policy." Caesar, apparently a witness to the regime's brutality, smuggled more than 50,000 photographs depicting the torture and execution of more than 10,000 dissidents. CNN cannot independently confirm the authenticity of the photos, documents and testimony referenced in the report.
Photos: In photos: Syria's civil war
Andrew Harnik/The Washington Times/Landov
Photographs of victims of the Assad regime are displayed as a Syrian army defector known as "Caesar," center, appears in disguise to speak before the House Foreign Affairs Committee in Washington. The July 31, 2014, briefing was called "Assad's Killing Machine Exposed: Implications for U.S. Policy." Caesar, apparently a witness to the regime's brutality, smuggled more than 50,000 photographs depicting the torture and execution of more than 10,000 dissidents. CNN cannot independently confirm the authenticity of the photos, documents and testimony referenced in the report.
Volunteers remove a dead body from under debris after shelling in Aleppo on August 29, 2014. According to the Syrian Civil Defense, barrel bombs are now the greatest killer of civilians in many parts of Syria. The White Helmets are a humanitarian organization that tries to save lives and offer relief.
Photos: In photos: Syria's civil war
Abdalrhman Ismail/Reuters/Landov
Volunteers remove a dead body from under debris after shelling in Aleppo on August 29, 2014. According to the Syrian Civil Defense, barrel bombs are now the greatest killer of civilians in many parts of Syria. The White Helmets are a humanitarian organization that tries to save lives and offer relief.
Medics tend to a man's injuries at a field hospital in Douma after airstrikes on September 20, 2014.
Photos: In photos: Syria's civil war
Badra Mamet/Reuters/Landov
Medics tend to a man's injuries at a field hospital in Douma after airstrikes on September 20, 2014.
A long-exposure photograph shows a rocket being launched in Aleppo on October 5, 2014.
Photos: In photos: Syria's civil war
Rami Zayat/Reuters/Landov
A long-exposure photograph shows a rocket being launched in Aleppo on October 5, 2014.
Rebel fighters dig caves in the mountains for bomb shelters in the northern countryside of Hama on March 9, 2015.
Photos: In photos: Syria's civil war
Khalil Ashawi/Reuters/Landov
Rebel fighters dig caves in the mountains for bomb shelters in the northern countryside of Hama on March 9, 2015.
Nusra Front fighters inspect a helicopter belonging to pro-government forces after it crashed in the rebel-held Idlib countryside on March 22, 2015.
Photos: In photos: Syria's civil war
Abed Kontar/Reuters/Landov
Nusra Front fighters inspect a helicopter belonging to pro-government forces after it crashed in the rebel-held Idlib countryside on March 22, 2015.
A Syrian child fleeing the war gets lifted over fences to enter Turkish territory illegally near a border crossing at Akcakale, Turkey, on June 14, 2015.
Photos: In photos: Syria's civil war
Bulent Kilic/AFP/Getty Images
A Syrian child fleeing the war gets lifted over fences to enter Turkish territory illegally near a border crossing at Akcakale, Turkey, on June 14, 2015.
A refugee carries mattresses as he re-enters Syria from Turkey on June 22, 2015, after Kurdish People's Protection Units regained control of the area around Tal Abyad, Syria, from ISIS.
Photos: In photos: Syria's civil war
Uygar Onder Simsek/AFP/Getty Images
A refugee carries mattresses as he re-enters Syria from Turkey on June 22, 2015, after Kurdish People's Protection Units regained control of the area around Tal Abyad, Syria, from ISIS.
A sandstorm blows over damaged buildings in the rebel-held area of Douma, east of Damascus, on September 7, 2015.
Photos: In photos: Syria's civil war
Sameer Al-Doumy/AFP/Getty Images
A sandstorm blows over damaged buildings in the rebel-held area of Douma, east of Damascus, on September 7, 2015.
Members of a Syrian opposition group attack the headquarters of al-Assad regime forces in the Aleppo villages of Nubul and al-Zahraa on February 12, 2016.
Photos: In photos: Syria's civil war
Mustafa Sultan /Anadolu Agency/Getty Images
Members of a Syrian opposition group attack the headquarters of al-Assad regime forces in the Aleppo villages of Nubul and al-Zahraa on February 12, 2016.
This still image, taken from a video posted by the Aleppo Media Center, shows a young boy in an ambulance after an airstrike in Aleppo, Syria, on August 17, 2016. It took nearly an hour to dig the boy, identified as Omran Daqneesh, out from the rubble, an activist told CNN. The airstrike destroyed his home, where he lived with his parents and two siblings. Director of the Aleppo Media Center Yousef Saddiq said Omran's 10-year-old brother, Ali, died from his injuries.
Photos: In photos: Syria's civil war
Mahmud Rslan/Anadolu Agency/Getty Images
This still image, taken from a video posted by the Aleppo Media Center, shows a young boy in an ambulance after an airstrike in Aleppo, Syria, on August 17, 2016. It took nearly an hour to dig the boy, identified as Omran Daqneesh, out from the rubble, an activist told CNN. The airstrike destroyed his home, where he lived with his parents and two siblings. Director of the Aleppo Media Center Yousef Saddiq said Omran's 10-year-old brother, Ali, died from his injuries.
Syrian men carrying babies make their way through the rubble of destroyed buildings following a reported air strike on the rebel-held Salihin neighborhood of the northern city of Aleppo, on September 11, 2016.
Photos: In photos: Syria's civil war
Ameer Alhalbi/AFP/Getty Images
Syrian men carrying babies make their way through the rubble of destroyed buildings following a reported air strike on the rebel-held Salihin neighborhood of the northern city of Aleppo, on September 11, 2016.
Smoke rises after an airstrike in Aleppo on October 4, 2016.
Photos: In photos: Syria's civil war
Mahmud Faysal/Anadolu Agency/Getty Images
Smoke rises after an airstrike in Aleppo on October 4, 2016.
Arabic writing that reads "some day we will return" is seen on a bus window as civilians evacuate Aleppo on December 15, 2016. The evacuations began under a new ceasefire between rebels and pro-government forces.
Photos: In photos: Syria's civil war
Karam Al-Masri/AFP/Getty Images
Arabic writing that reads "some day we will return" is seen on a bus window as civilians evacuate Aleppo on December 15, 2016. The evacuations began under a new ceasefire between rebels and pro-government forces.
This photo, provided by the activist Idlib Media Center, shows dead children after a <a href="https://edition.cnn.com/2017/04/05/middleeast/syria-airstrike-idlib-how-it-unfolded/index.html" target="_blank">suspected chemical attack</a> in the rebel-held city of Khan Sheikhoun on April 4, 2017. Dozens of people were killed, according to multiple activist groups. The United States responded a few days later by launching between 50-60 Tomahawk missiles at a Syrian government airbase. US officials said the base was home to warplanes that carried out the chemical attack. Syria has repeatedly denied it had anything to do with the attack.
Photos: In photos: Syria's civil war
Idlib Media Center
This photo, provided by the activist Idlib Media Center, shows dead children after a suspected chemical attack in the rebel-held city of Khan Sheikhoun on April 4, 2017. Dozens of people were killed, according to multiple activist groups. The United States responded a few days later by launching between 50-60 Tomahawk missiles at a Syrian government airbase. US officials said the base was home to warplanes that carried out the chemical attack. Syria has repeatedly denied it had anything to do with the attack.
Members of the UN Security Council raise their hands on April 12, 2017, as they vote in favor of a draft resolution that condemned the reported use of chemical weapons in Syria.
Photos: In photos: Syria's civil war
Kena Betancur/AFP/Getty Images
Members of the UN Security Council raise their hands on April 12, 2017, as they vote in favor of a draft resolution that condemned the reported use of chemical weapons in Syria.
Residents of the war-torn city of Douma break their Ramadan fast on June 18, 2017.
Photos: In photos: Syria's civil war
Hamza Al-Ajweh/AFP/Getty Images
Residents of the war-torn city of Douma break their Ramadan fast on June 18, 2017.
A member of the Syrian pro-regime forces fires a machine gun as a comrade holds his feeding ammunition belt on November 11, 2017. It was during an advance toward rebel-held positions west of Aleppo.
Photos: In photos: Syria's civil war
George Ourfalian/AFP/Getty Images
A member of the Syrian pro-regime forces fires a machine gun as a comrade holds his feeding ammunition belt on November 11, 2017. It was during an advance toward rebel-held positions west of Aleppo.
A child receives medical treatment after a village was attacked in the rebel-held Eastern Ghouta region on February 25, 2018. Several people were treated for exposure to chlorine gas, opposition groups said, as airstrikes and artillery fire from the regime continued. CNN was unable to independently verify claims that chlorine was used as a weapon.
Photos: In photos: Syria's civil war
Mohammed Badra/EPA-EFE
A child receives medical treatment after a village was attacked in the rebel-held Eastern Ghouta region on February 25, 2018. Several people were treated for exposure to chlorine gas, opposition groups said, as airstrikes and artillery fire from the regime continued. CNN was unable to independently verify claims that chlorine was used as a weapon.
Bodies lie on the ground in the rebel-held city of Douma, Syria, on April 8, 2018. <a href="https://www.cnn.com/2018/04/11/middleeast/syria-chemical-attack-500-affected-who-intl/index.html" target="_blank">According to activist groups,</a> helicopters dropped barrel bombs filled with toxic gas on Douma, which has been the focus of a renewed government offensive that launched in mid-February. The Syrian government and its key ally, Russia, vehemently denied involvement and accused rebel groups of fabricating the attack to hinder the army's advances and provoke international military intervention.
Photos: In photos: Syria's civil war
Emad Aldin/EPA-EFE
Bodies lie on the ground in the rebel-held city of Douma, Syria, on April 8, 2018. According to activist groups, helicopters dropped barrel bombs filled with toxic gas on Douma, which has been the focus of a renewed government offensive that launched in mid-February. The Syrian government and its key ally, Russia, vehemently denied involvement and accused rebel groups of fabricating the attack to hinder the army's advances and provoke international military intervention.
Damascus skies erupt with anti-aircraft fire as the US and its allies launch an attack on Syria's capital early on April 14, 2018. US President Donald Trump announced airstrikes in retaliation for Syria's alleged use of chemical weapons. Trump says the strikes are part of a sustained military response, in coordination with France and the United Kingdom.
Photos: In photos: Syria's civil war
Hassan Ammar/AP
Damascus skies erupt with anti-aircraft fire as the US and its allies launch an attack on Syria's capital early on April 14, 2018. US President Donald Trump announced airstrikes in retaliation for Syria's alleged use of chemical weapons. Trump says the strikes are part of a sustained military response, in coordination with France and the United Kingdom.
Women and children who fled the Islamic State group's embattled holdout of Baghouz wait in the back of a truck in the eastern Syrian province of Deir Ezzor, on February 14, 2019.
Photos: In photos: Syria's civil war
Fadel Senna/AFP/Getty Images
Women and children who fled the Islamic State group's embattled holdout of Baghouz wait in the back of a truck in the eastern Syrian province of Deir Ezzor, on February 14, 2019.
Members of the Syrian Civil Defence, also known as the "White Helmets," search the rubble of a collapsed building following an explosion in the town of Jisr al-Shughur on April 24, 2019.
Photos: In photos: Syria's civil war
Omar Haj Kadour/AFP/Getty Images
Members of the Syrian Civil Defence, also known as the "White Helmets," search the rubble of a collapsed building following an explosion in the town of Jisr al-Shughur on April 24, 2019.
Turkish-backed Syrian fighters take part in a battle in Syria's northeastern town of Ras al-Ain as Turkey and its allies continue their assault on Kurdish-held border towns in northeastern Syria on October 14, 2019.
Photos: In photos: Syria's civil war
Nazeer Al-Khatib/AFP/Getty Images
Turkish-backed Syrian fighters take part in a battle in Syria's northeastern town of Ras al-Ain as Turkey and its allies continue their assault on Kurdish-held border towns in northeastern Syria on October 14, 2019.
A member of the Syrian Violet Organization carries an injured boy at a makeshift hospital following a regime air strike on a vegetable market in Syria's last major opposition bastion of Idlib on January 15, 2020.
Photos: In photos: Syria's civil war
Abdulaziz Ketaz/AFP/Getty Images
A member of the Syrian Violet Organization carries an injured boy at a makeshift hospital following a regime air strike on a vegetable market in Syria's last major opposition bastion of Idlib on January 15, 2020.
A Syrian man mourns the death of family members next to the rubble of his house following a reported airstrike on the village of Kafr Nuran, in the northern province of Aleppo, on January 21, 2020.
Photos: In photos: Syria's civil war
Aaref Watad/AFP/Getty Images
A Syrian man mourns the death of family members next to the rubble of his house following a reported airstrike on the village of Kafr Nuran, in the northern province of Aleppo, on January 21, 2020.
A displaced boy carries a bag of bread as people queue for food distributed by a nonprofit in Idlib on February 19, 2020.
Photos: In photos: Syria's civil war
Burak Kara/Getty Images
A displaced boy carries a bag of bread as people queue for food distributed by a nonprofit in Idlib on February 19, 2020.
Members of Syrian Civil Defence and Turkish-backed Syrian forces search for victims in the aftermath of a car bomb explosion near a security checkpoint in the town of Azaz on March 19, 2020.
Photos: In photos: Syria's civil war
Bakr Alkasem/AFP/Getty Images
Members of Syrian Civil Defence and Turkish-backed Syrian forces search for victims in the aftermath of a car bomb explosion near a security checkpoint in the town of Azaz on March 19, 2020.
Health workers carry the body of a 62-year-old displaced Syrian man who died of Covid-19, to be buried in the town of Salqin, in Idlib province, on September 17, 2020.
Photos: In photos: Syria's civil war
Omar Haj Kadour/AFP/Getty Images
Health workers carry the body of a 62-year-old displaced Syrian man who died of Covid-19, to be buried in the town of Salqin, in Idlib province, on September 17, 2020.
An aerial picture shows Syrians waving the national flag during a gathering in the rebel-held city of Idlib on March 15, 2021, as they mark <a href="https://edition.cnn.com/2021/03/15/middleeast/syria-anniversary-damon-analysis-intl/index.html" target="_blank">10 years</a> since the nationwide anti-government protests that sparked the country's devastating civil war.
Photos: In photos: Syria's civil war
Omar Haj Kadour/AFP/Getty Images
An aerial picture shows Syrians waving the national flag during a gathering in the rebel-held city of Idlib on March 15, 2021, as they mark 10 years since the nationwide anti-government protests that sparked the country's devastating civil war.

Since 2012, the Commission for International Justice and Accountability (CIJA) has sought to ensure that evidence of alleged war crimes in Syria is compiled and preserved for future trials.

A non-profit organization funded by Western governments, CIJA has acquired over 800,000 Syrian intelligence and security documents. Over the last four years, it has used these papers to build cases against senior and former officials implicated in some of the regime’s most brutal human rights abuses.

The Syrian government did not respond to CNN’s request for comment. Syrian officials have repeatedly denied allegations of war crimes and crimes against humanity, insisting that they target terrorists and not peaceful protesters.

Onslaught of bombs and bullets

Investigators like Adel have developed a kind of smuggling playbook. Typically, they hold near the frontlines as a battle rages, waiting for the Syrian military to withdraw from an area, leaving it in rebel hands.

The document hunters would then move into abandoned regime facilities and collect every document that they are able to salvage, retrieving every single paper in order to avoid accusations of selectivity in evidence collection.

TOPSHOT - A member of the Syrian Democratic Forces (SDF), backed by US special forces, looks out from a building at the frontline in Raqa on October 16, 2017 in the Islamic State (IS) group jihadist' crumbling stronghold. US-backed fighters battled hundreds of Islamic State group jihadists holed up in the last pockets of Syria's Raqa, as the former extremist stronghold stood on the verge of capture. / AFP PHOTO / BULENT KILIC (Photo credit should read BULENT KILIC/AFP/Getty Images)
BULENT KILIC/AFP/Getty Images
TOPSHOT - A member of the Syrian Democratic Forces (SDF), backed by US special forces, looks out from a building at the frontline in Raqa on October 16, 2017 in the Islamic State (IS) group jihadist' crumbling stronghold. US-backed fighters battled hundreds of Islamic State group jihadists holed up in the last pockets of Syria's Raqa, as the former extremist stronghold stood on the verge of capture. / AFP PHOTO / BULENT KILIC (Photo credit should read BULENT KILIC/AFP/Getty Images)

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But the regime nearly always intensifies its bombardment of areas just after its military retreats. The document hunter must then brave this onslaught of bombs and bullets, attempting to save documents that may otherwise be destroyed by fire or floods.

Several of these smugglers have been detained by warring parties during this process, according to Adel.

Over the last two years, the regime has recaptured most of Syria, making the collection of documents much harder. Yet the evidence still continues to trickle in.

’What we don’t get out today … might be lost forever’

CNN gained rare access to the latest handover of documents near one of Syria’s borders.

In November, Adel’s team arrived at a secret meeting point in the border region, carrying black garbage bags that concealed the documents. In a few swift movements, Chris Engels, CIJA’s Director of Investigations and Operations, shoved the papers into suitcases in the trunk of his car and then took them to a nearby hotel.

“In the past, when the regime was on its backfoot we were able to collect three or four times as much as that in one go,” said Engels. “With the Syrian regime taking more and more territory this work becomes much more urgent. We know that what we don’t get out today or tomorrow might be lost forever.”

This trove of documents is kept in CIJA’s secret headquarters in Europe where a team of analysts is translating and logging them. The documents are stored in stacks of boxes in a darkened and heavily air-conditioned room known as “the vault.”

Documents taken from Syria's battle zones are stored in an air conditioned 'vault' in a secret European location.
William Bonnett/CNN
Documents taken from Syria's battle zones are stored in an air conditioned 'vault' in a secret European location.

The victims

The cases against suspected war criminals are not solely based on documents, however. They also rely on witness testimony and visual evidence, such as the so-called Caesar photographs. This collection of more than 28,000 images smuggled out by a military defector codenamed Caesar showed emaciated and wounded dead bodies of detainees in regime prisons.

Each corpse had a number on it which CIJA said its investigators were able to match with the data in their smuggled documents. This research helped the organization identify the dead and connect the bodies to individuals who oversaw the detainees’ movements.

Stories of the torture and death of peaceful protesters in Syrian regime custody are widespread. Some 82,000 people are believed to have been forcibly disappeared into an abyss of prisons and military intelligence centers over the course of the war, according to the Syrian Network for Human Rights in 2018.

Many former regime prisoners are reluctant to speak out now that Assad has all but declared victory. But for Amina al-Khoulani – a former detainee and activist who has lost three brothers to regime prisons – silence is not an option.

While there are no 'smoking guns,' the documents help paint a picture of a brutal crackdown on dissidents ordered from high levels of command.
William Bonnett/CNN
While there are no 'smoking guns,' the documents help paint a picture of a brutal crackdown on dissidents ordered from high levels of command.

“They detained me and my husband in front of my mother and children,” Khoulani told CNN. A soldier cocked his gun at her mother after they charged in “like monsters,” she said. Her frightened 4-year-old daughter, clinging to her mother’s leg, wet herself.

During Khoulani’s interrogations, she said her husband was brought into the room wearing only his underwear. She was made to watch her interrogators beat him and cover him with cold water, before she signed a forced confession.

“I knew men were being tortured to death, and my husband looked horrible after three days of torture,” recalled Khoulani.

After Khoulani’s husband was released from prison, the family fled to the UK where they now live with their three children.

For years, she tried to track down news of her brothers Majd and Abdul Sattar al-Khoulani, who were detained in summer 2011, and Mohammed, who was imprisoned in 2012. After paying a number of bribes, she was able to visit Majd and Abdul Sattar in the notorious Saydnaya prison north of Damascus, dubbed by Amnesty International as a “human slaughterhouse.”

courtesy Najah Albukai

Syria reveals fate of people thrown into 'slaughterhouse' jails

Khoulani barely recognized her siblings, describing Abdul Sattar as a “walking skeleton.” That was the last time she saw her brothers.

In 2015, the image of Mohammed’s tortured and lifeless corpse was found among the Caesar photographs. Then, last summer, Amina received the government death notices of Majd and Abdul Sattar. The regime claimed both brothers had died of natural causes, although reports of extreme torture and neglect in regime prisons were well-documented and widespread. According to their death notices, they died at the same hour of the same day, 22:00 on January 15, 2013.

“The (Syrian) regime is the Hitler of our time,” said Khoulani. “Bashar al-Assad will be tried. I might not be alive but my children may see that day.”

The search for justice

One of the senior regime members targeted by CIJA was Anwar R. Documents showed that the divisions that he ran detained and interrogated opposition activists on a nearly daily basis. Some 6,000 pages of documents smuggled to CIJA detail the workings of his departments, notorious for its torture chambers according to several human rights groups.

One of the security branches he worked at – Branch 285 – is headquartered in a five-story building in Damascus with an underground section of 250 solitary confinement cells. Beatings, sexual abuse and electrocution were widely reported to be rampant in these quarters.

The cases built against high-ranking officers, CIJA says, reveal a systematic drive against protests, and marks a significant step towards bringing the Assad regime to justice for crimes it has long been accused of.

TOPSHOT - Men suspected of being Islamic State (IS) fighters wait to be searched by members of the Kurdish-led Syrian Democratic Forces (SDF) after leaving the IS group's last holdout of Baghouz, in Syria's northern Deir Ezzor province on February 22, 2019. (Photo by Bulent KILIC / AFP) (Photo credit should read BULENT KILIC/AFP/Getty Images)
BULENT KILIC/AFP/Getty Images
TOPSHOT - Men suspected of being Islamic State (IS) fighters wait to be searched by members of the Kurdish-led Syrian Democratic Forces (SDF) after leaving the IS group's last holdout of Baghouz, in Syria's northern Deir Ezzor province on February 22, 2019. (Photo by Bulent KILIC / AFP) (Photo credit should read BULENT KILIC/AFP/Getty Images)

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“There are very few smoking guns,” said Engels. Instead, the documents reveal an organizational structure that clarifies how orders went up and down the bureaucracy.

“Through an understanding of that chain of command we can then tie leadership to the events that happened on the ground,” he said.

“Peace is a very important thing if you can stop the killings,” Engels added. “But that doesn’t mean that justice might not come later … when the discussion about justice does appear in five or 10 or 20 years, there will be evidence there.”

After receiving the crushing news about her brothers last year, Khoulani resolved to stop campaigning against Assad. But her silence was short-lived. She now sees making her voice heard as key to keeping alive the memory both of her brothers and the true history of Syria’s war.

“The regime’s voice is getting louder,” said Khoulani. “If we are silent maybe the version of truth will be distorted. The truth will be buried with us so we need to continue speaking up.”