and no murder charges have been filed. until now, we have only seen video from inside the restaurant and people watched the mayhem outside and later ducked for cover. this is the first time we see the fight in the parking lot. i want to forewarn you parts of the video are violent and hard to watch. here is nick valencia with the details. >> reporter: it is a violent showdown. newly obtained footage by cnn, video shows the moments that led to the bloody shoot-out between rival biker gangs in waco, texas, last may. the video picks up with an argument in the parking lot already in progress. you can see members from the ko saks and two ally motorcycle clubs huddled just to the left of the camera. just off camera, bikers from the banditos and cosaks two groups argue after one is hit by a motorcycle according to witnesses. in police reviews the rivals point the finger at each other as to who started the fight. and then?