Murder of North Korea's Kim Jong Nam: Timeline of intrigue

Theories behind Kim Jong Nam's murder
Theories behind Kim Jong Nam's murder

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(CNN)With the death of a dictator's half-brother, things were bound to get interesting.

The story of Kim Jong Nam's death has morphed into a murder-mystery filled with palace intrigue and geopolitical ramifications, topped with the surrealist tinge of reality television.
Here's how the story got to this point.

Feb 13: The incident

    Kim was scheduled to catch a flight from Kuala Lumpur to the Chinese-administered city of Macau on Monday, February 13, when he "felt like someone grabbed or held his face from behind," according to Selangor State Criminal Investigations Department Chief Fadzil Ahmat.
    Feeling dizzy, he then went to an airport customer assistance counter to seek medical help. Kim was taken to a clinic on the premises, which decided to call an ambulance and send him to the hospital. He died en route.

    Feb 14: The news

    News of Kim Jong Nam's death broke on the night of Tuesday, February 14. Police initially described the incident as a "sudden death" pending the results of a post-mortem.
    Malaysian authorities said Kim was traveling with a passport bearing the name Kim Chol.

    Feb 15: Murder

    South Korean officials announced they believed Kim's death was murder and placed the blame on North Korea.
    Lee Cheol Woo, the chairman of South Korea's National Assembly Intelligence Committee, told reporters that Kim had been poisoned, and the suspects were "presumed to be two Asian females."
    In Malaysia, police made the first two arrests in connection with the case, detaining Doan Thi Huong, a 30-year-old Vietnamese woman, at the airport and 26-year-old Muhammad Farid Bin Jalaluddin in the city of Anpang.
    Kim Jong Nam, left, was the half-brother of North Korea's leader Kim Jong Un, right.

    Feb 16: The LOL suspect

    Police said Jalaluddin helped them locate another suspect: his girlfriend, a 25-year-old Indonesian woman named Siti Aisyah. She was arrested at 2 a.m. local time, Thursday, February 16.
    Later that day police also confirmed the validity of the now-infamous "LOL" photo, an image from closed circuit security footage showing one of the female suspects in the case on Monday.
    Authorities did not specify if it was Aisyah or Huong in the image.
    This photo of closed circuit television footage shows a woman wearing a shirt with "LOL" on it in Sepang, Malaysia, on Monday, February 13.

    Feb 17: The 'prank' and unwanted autopsy

    Aisyah told police she thought she was participating in a prank for a TV show.
    Indonesian police chief Tito Karnavian said that the suspect, Siti Aisyah, told police she had sprayed others in a similar manner three or four times, although only the Kim incident allegedly involved a dangerous substance.
    Aisyah was given a few dollars for the job, unaware that she was being used as a tool in a potential assassination plot, Karnavian said.
    Friday, February 17, was also the point tensions between North Korea and Malaysia boiled over publicly.
    After news of the death broke Tuesday, Malaysian authorities announced they would be conducting an autopsy as part of its investigation -- something North Korean officials later said they would not accept unless their officials can witness the procedure.
    Pyongyang's ambassador to Malaysia, Kang Chol, said Friday the country would reject the results of a "forced" autopsy on one of its citizens and demanded the immediate release of the body.
    But Selangor Police Chief Abdul Samah Mat said without DNA from a next of kin, they wouldn't hand over Kim Jong Nam's body or release the autopsy report, which could reveal the cause of death.
    A fourth arrest was also made on Friday. Police said they detained North Korean Ri Jong Chol at an apartment in Selangor.
    Murder suspect thought she was in TV prank
    Murder suspect thought she was in TV prank

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    Feb 18: The Inspector speaks

    Malaysia's police chief, Inspector General Khalid Abu Bakar, told CNN that his country didn't need North Korea's permission to conduct the autopsy.
    He said the authorities were willing to carry out a second autopsy if it was requested by Kim's family -- and reiterated that they did not require any consent from or witness by North Korean officials.

    Feb 19: The final four?

    Top police official Noor Rashid Ibrahim told reporters that authorities were looking for four more suspects, all North Koreans who left the country the day of the attack.
    When asked whether Malaysian authorities thought Kim's death had been ordered by the North Korean government, he said "the four hold North Korean nationality, that is all."
    Ibrahim said the suspects do not not hold diplomatic passports.
    Police said they were also looking for three other people to assist in the investigation.

    Feb 20: The footage and the row

    Closed circuit television footage released Monday, February 20, appears to show the moment that Kim Jong Nam was attacked and the events leading up to his death.
    Does this video show Kim Jong Nam's attack?
    Does this video show Kim Jong Nam's attack?

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    Does this video show Kim Jong Nam's attack? 04:54
    Malaysia also announced it was recalling its ambassador to Pyongyang and summoning North Korea's own representative in Kuala Lumpur, Kang Chol, after he accused Malaysian officials of conspiring with "hostile forces" during the Kim investigation.
    Pyongyang's ambassador to Malaysia, Kang Chol, accused country of being "in collusion with South Korea" at a news conference Monday.

    Feb 21: Diplomatic rumblings

    Malaysian Prime Minister Najib Razak responded to that allegation Tuesday, saying "the statement by the ambassador was totally uncalled for, it is considered diplomatically rude on his part."
    "It is incumbent upon us to find out the truth about the crime and they should help us to find out the truth. That is more important than making sweeping and baseless statements, because Malaysia is not the pawn of any country and we will never be the pawn of any country," he added.

    Feb 22/23: Investigation widens

    Malaysian authorities said Thursday, February 23, that they wanted to speak with a North Korean embassy official and airline employee as part of their investigation into Kim Jong Nam's murder.
    The two being sought are Hyon Kwang Song, who worked at the North Korean embassy in Malaysia, and Kim Uk Il, a staff member of the North Korean carrier Air Koryo, Malaysian Inspector-General of Police Khalid Abu Bakar said.
    Hyon Kwang Song (left) is an embassy official and Kim Uk Il is employed by North Korean airline Air Koryo.
    Bakar denied rumors that had been circulating Wednesday that Kim Jong Nam's son had come to the country to collect his father's body.
    The North Korean embassy in Malaysia also issued a statement accusing investigators of "unreasonably" arresting Ri and calling for the release of all three suspects in custody.
    North Korea said Malaysia's demands for DNA to confirm the victim's identity suggested that investigators didn't trust the North, which was "insulting to the sovereignty" of North Korea.

    Feb 24: Toxin identified

    VX nerve agent is identified as the chemical substance used to kill Kim in a preliminary report from the Chemistry Department of Malaysia.
    Tests conducted on Kim's eyes and face revealed the presence of the fast-acting toxic substance, Malaysian police said in a statement on Friday.
    Police believe two women, following directions from four North Koreans, wiped the victim's face with some sort of liquid.
    North Korea vehemently denies any involvement in Kim's death and rejects that version of events. It argues that the women would now be dead had a lethal chemical been on their hands.
    U.S. official: N. Korea used WMD agent to kill Kim Jong Nam
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    Feb 25: Airport staff declared safe

    Staff at Malaysia's Kuala Lumpur International Airport were officially cleared of danger.
    Airport officials in a statement said no one had shown symptoms of exposure to the VX nerve agent, including cleaning crews and the staff member who attended to Kim Jong Nam at the clinic.
    According to the statement, the Malaysian health minister said the public had no reason to worry because symptoms appeared either immediately or within 18 hours of exposure to the toxin.

    Feb 26: Health minister speaks

    Malaysia's Health Minister Dr. Subramaniam Sathasivam gave more details on Kim's mysterious poisoning.
    He said death would have taken about 15 to 20 minutes after Kim was attacked and that his final moments would have been "painful."
    Also, an aunt of Indonesian suspect Siti Aisyah defended her niece in an interview with CNN.
    "It would be impossible for such a tiny person like her to do such a crime (as murder) if she was not manipulated," the aunt, Darmi, said.
    Darmi reiterated claims her niece had been hired to work as "a comedian" to smear strangers with tomato sauce and lotion as a prank.

    Feb 27: 'Kim Jong Un ordered killing'

    South Korean lawmakers revealed the contents of a briefing by the country's intelligence agency, which pinned Kim Jong Nam's murder squarely on North Korea's leader.
    "The assassination of Kim Jong Nam was an act of systematic terror ordered by Kim Jong Un," Kim Byung Kee said in a televised speech.
    He also said two assassination groups had worked separately before meeting in Malaysia, shortly before Kim Jong Nam's murder. One recruited the Indonesian suspect, Aisyah, while the other brought Vietnamese suspect, Doan Thi Huong, on board.

    Feb 28: 'Happy birthday'

    Malaysian authorities announced the two women would be charged with murder.
    Meanwhile, video emerged showing Aisyah celebrating her 25th birthday the night before the killing. She's seen on tape, smiling as friends sing "Happy Birthday" in a Kuala Lumpur restaurant.
    Friends told CNN Aisyah was kind and easily manipulated.
    Who is assassination suspect Siti Aisyah?
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    March 1: Murder charges

    Aisyah and Huong appeared in court and were both formally charged with Kim's murder. They were not required to enter a plea, but both told the court they were not guilty.
    If found guilty, they will face the death penalty, which is carried out by hanging in Malaysia.
    Siti Aisyah and Doan Thi Huong seen outside court on March 1.

    March 2: Visa-free status dropped

    As the diplomatic fallout deepened, Malaysia dropped its visa-free status for North Koreans.
    Malaysian state media quoted Deputy Prime Minister Ahmad Zahid Hamidi as saying that from March 6 North Koreans would need a visa to enter the country.

    March 3: Escorted to immigration

    The only North Korean detained in the case, Ri Jong Chol was handed over to Malaysian immigration officials under a heavy police escort.
    Police didn't have sufficient evidence to charge Ri, Malaysian Attorney General Mohamed Apandi Ali told CNN. Ali said he was due to be deported to North Korea.

    March 4: North Korean ambassador declared 'persona non grata'

    Malaysia declared Ambassador Kang Chol "persona non grata" and plans to expel him from the country, its Ministry of Foreign Affairs said.

    March 8: Malaysian PM accuses North Korea

    For the first time, Malaysian Prime Minister Najib Razak directly accused North Korea of murdering Kim Jong Nam.
    "What we are facing now is the result of their action in assassinating their own citizen in Malaysia, on Malaysian soil, using a strictly banned chemical weapon," Najib told state media agency Bernama.
    Meanwhile, Kim Han Sol, the son of Kim Jong Nam, appeared on video for the first time since his father's death.

    March 9: Malaysians allowed to leave Pyongyang

    Two Malaysians, a man and a woman who worked for the World Food Program, have left Pyongyang two days after North Korea said no Malaysians would be allowed to leave amid the two countries' diplomatic row.

    March 10: Malaysia formally IDs Kim

    Malaysian police have formally confirmed that the man killed last month at Kuala Lumpur's airport was Kim Jong Nam, Khalid Abu Bakar, inspector general of the Royal Malaysia Police, said.
    "We have already informed the relatives, so it seems no one is taking (the body)," he said.
    He said police will hand Kim's body over to the Malaysian Health Ministry since no one has claimed it.

    March 16: Malaysia says son's DNA used for ID

    Kim was identified using a DNA sample from his son, Malaysian authorities said.
    The sample was obtained by Malaysian authorities who went overseas to get it, Deputy Prime Minister Ahmad Zahid Hamidi confirmed.

    March 31: More Malaysians return home

    Nine Malaysian citizens who had been barred from leaving North Korea were permitted to leave, the Malaysian state news agency Bernama reported.
    "(We're) very happy to be with our family members, our loved ones," said Mohd Nor Azrin Md Zain, an official who worked at the Malaysian embassy in Pyongyang.