It is difficult to identify Iraqis. They are so inbred that DNA is hard to sort out. Also, people will say anything to get a reward. We have captured and killed him at least four times, so this is hazy info.
You have a better source than I do, so I believe you. This is what Twitter said... But these are just one-liners:
URGENT — Iraqi government wrongly confirms the apprehension of Al-Baghdadi - again:
http://adjix.com/f7s6
BULLETIN — U.S. ARMY TELLS BNO NEWS THAT AL-QAEDA LEADER AL-BAGHDADI HAS NOT BEEN ARRESTED.
(I couldn’t read that link on a blackberry, but will try it again now.)