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The Department of State's initial reward offer was $10 million

ISIS, under al-Baghdadi, has grabbed swaths of territory in Iraq and Syria

CNN  — 

The United States is offering $25 million for information leading to the capture of ISIS leader Abu Bakr al-Baghdadi.

The Department of State released a statement Friday announcing the $25 million dollar reward for the self proclaimed caliph of the Islamic State in Iraq and Syria – more than doubling the reward announced previously.

“The threat that al-Baghdadi poses has increased significantly since the Department of State’s initial $10 million reward offer for information leading to his location, arrest, or conviction was announced in 2011,” the department’s Rewards for Justice Program said on its website.

Under al-Baghdadi, ISIS grabbed swaths of territory in Iraq and Syria – earning a reputation for unparallelled brutality.

Officials have long described al-Baghdadi as enemy No. 1 in the fight against the militant group, and speculation has swirled over his whereabouts.

Though al-Baghdadi has been elusive, he has spoken out occasionally in videos and audio messages.

In October 2015, Iraq’s military claimed its air force had struck a convoy in western Anbar province that included a vehicle carrying al-Baghdadi. For weeks, reports circulated that he was seriously injured in the airstrike.

Those reports have since been disputed by US officials.

CNN’s Joe Sutton and Catherine Shoichet contributed to this report.