The Islamic State of Iraq and Syria, a group of Sunni extremists causing global panic as it seizes major Iraqi cities or small towns in the north with its sights set on Baghdad, is headed by a man who has spent years with a $10 million bounty over his head, from the United States. The Rewards for Justice Program, administered by the State Department, offers compensation for information leading to the arrest or conviction of anyone who either attempts, commits or even plans an act of terrorism against American people or property. Established in 1984, the program has nabbed half of the top 10 bounties ever offered. Here is the list.

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