"Meanwhile, the U.S. military was investigating videotaped pool pictures taken Saturday by NBC that showed a U.S. Marine shooting dead a wounded prisoner in a mosque in Fallujah. The footage was taken during an operation of the Marines 3rd Battalion, 1st Regiment.
On the video, a Marine can be heard shouting obscenities in the background, yelling that one of the men against the wall in the mosque was only pretending to be dead. It then briefly shows a Marine raising his weapon toward one of the inert prisoners. The video is then blacked out, but the report of the gunfire can be heard."
Click here for the source , yahoo news.
