Okay, military police.
I cannot disagree with your other points, about Mapes omitting information and about Karpinski whining to save her arse.
The timing of the release of the photos without divulging that an investigation was already ongoing is key here. I'm glad you pointed that out because for awhile there you seemed to be a victim of media manipulation rather than seeing through it.
Graner wasn't even an MP...he was just a prison guard.
Graner's uncle was angry that his nephew was in trouble for doing what he had done and in BIG trouble with the military. So he wrote to the president (I think) and to people in the Pentagon to complain.When he didn't get what he desired,he wrote to Wes Clark,with the pictures,who sent them to Mapes.