deryl dedmon apparently wasn't through. he 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 deryl dedmon hit the gas, jumped the curb and ran right over his victim. smashing him. 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 calls

darrell dedmon has a criminal history, arrested and convicted of harassment earlier this year. two years ago this local pastor says he had to call police when his son was being harassed. >> and i had told jordon for a year and a half that darrell dedmon will kill you. >> he had a look of no conscience. he was blank stare. darrell always i think just carried around this backpack of hatred. >> reporter: other students also told us they were bullied or beaten by dedmon and his friends, who called people nigger lovers if they befriended blacks. we were told school administrators mostly looked the other way as bullying and racial hatred festered. school officials declined our interview request but a spokesperson told cnn they take bullying seriously and they they had no record of troulg from dedmon. students told us dedmon and his friends were a problem, using racial slurs, calling plaques and even president obama slur words. >> it zoomed look every word that came out of their mouth was the "n" word and that they're taking over, as if it was some kind of war. >> reporter: dedmon's f