captain jeff winn and his lieutenant, dwayne scheuermann, were told that someone had hijacked a waterk. the story they heard was that thieves were robbing, raping and killing people. winn and scheuermann rolled out through the flooded streets. and near the superdome, they spotted three water trucks. they said a man near one of the trucks had a gun. both officers took aim. these pictures show dwayne scheuermann at the scene. ( gunshots ) they hit the man in the torso-- but he survived. his name was keenon mccann. and when the cops apprehended him there was no gun to be found. the police theorized he might have thrown it away-- off the overpass. keenon mccann was lucky that day. he survived getting shot. he's since died, but his brother and sister-in-law were with him on the bridge. they say he didn't have a gun. that he was stranded there with his family. what do you think happened? >> what i think happened, that i think they just came out there and got the wrong people, or the wrong person. mistakenly shot keenon for nothing. that's what happened. if he had a gun, why did they bring h