then one of the vehicles drives off. >> daryl dedmon apparently wasn't through.e had two girls in his truck as he was leaving this parking lot, a big f-250 pickup truck. james craig anderson, the man who was beaten almost to a pulp, was stumbling down this curb. that's when police say daryl dedmon hit the gas. jumped the curb and ran right over his victim. smashing him. but what he didn't know was the entire episode was being caught on a surveillance camera on the corner of this hotel. this is what was caught on that tape. obtained exclusively by cnn and we warn you, it is disturbing. james craig anderson first comes into view in the lower right corner of the screen after he was beaten according to police. he staggers into the headlights of mr. dedmon's truck. his white shirt easily visible. then the truck backs up, surges forward, the headlights glowing brightly on anderson's shirt before he and that shirt disappear underneath it. the truck runs right over the defenseless man. >> after he does that, he drives to a mcdonald's, he picks up the phone, apparently ca

daryl dedmond. stunts told us dedmon and his friends were a problem, using racial slurs and calling blacks and evensident obama, the "n" word. >> it came out of my house was the "n" word. and if they're taking over as if it was some kind of war. >> dedmond's family refused to talk to cnn. so did his attorney. once close to him and his friends, he now beliefears them. >> i believe every one of them are dangerous. i just don't want my energy to be seen. we're worried about it. >> did they ever go looking for black people? >> hunting? >> yes, they're known as, like i said, they're all seeing them as the racist kids. >> cnn has learned federal investigators from the department of justice have uncovered two other possible incidents where groups of white, rankon county teens, including dedmond, have sought out and attacked a black person. >> have you guys been conned about these guys? >> this man says racism is behind brandon, mississippi's silence. >> do you believe there's a lot of people in brandon, mississippi that may feel the same way about the killer of a black man? >> yes. yes. >> i even heard th