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NEW: U.S. military doesn't have further information to evaluate the Iraqi media reports

Al-Douri's body arrives in Baghdad where DNA samples are taken

Izzat Ibrahim al-Douri was the highest-ranking member of Iraqi President Saddam Hussein's regime to evade capture

Baghdad, Iraq CNN —  

Izzat Ibrahim al-Douri, a former top deputy to Saddam Hussein and more recently a key figure in Sunni extremist groups battling the Iraqi government, has been killed in a security operation in that country, Iraqi state-run television reported Friday.

Al-Douri was the highest-ranking member of Hussein’s regime to evade capture – the “King of Clubs” in a deck of playing cards used by American troops to identify the most-wanted regime officials.

He also was a man thought to have led the post-Hussein S