spokesperson told cnn they take bullying seriously and they had no record of any trouble from deryl dedmonts toll us dedmon and his friends were a problem, using racial slurs, calling blacks and even president obama the "n" word. ken johnson used to manage a gas station where dedmon and his friends used to hang out. >> it was like 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. >> dedmon's family refused to talk to cnn. so did dedmon's attorney. this man did. once close to dedmon and his friends, he now fears them. >> i believe that every one of these kids are dangerous and are capable of many things. i just don't want my image to be seen because i'm really worried about it. >> this man told us there were other violent and racial incidents with dedmon and other friends of his. >> do they ever go looking for black people? hunting, literally. >> yes, they're known as the, like i said the brandon boys. they're also known as the racist kids. the white group. >> cnn has learned federal investigators from the department of ju

. >> the district attorney at first charged deryl dedmon the teen driving the truck that killed andersonpital murder. a second teen was charged with simple assault. five other white teenagers who were there were not charged. anderson's family has kept their grief and frustration mostly private. after a court hearing, anderson's sister could not contain her emotions. >> go to brandon, mississippi. go to brandon, mississippi and get those other five murderers who committed such an horrendous violent act against my beloved brother, james craig anderson. >> you have to drive east to brand brandon, across the pearl river, the invisible line that seems to separate black mississippi from white. while in jackson, anderson's killing prompted marches and a call for healing. in brandon, the reaction was mostly silent. brandon police wouldn't even return cnn's phone calls. >> is the chief in? >> it was an assistant police chief who finally came out to say, there was no story here. >> are you concerned a lot of these kids are from rankin county? not just one or two but seven of them that drove over t

to call police when his son was being harassed. >> i had told jordan for a year and a half that deryl dedmonkill you. >> he had a look of no conscience. he was blank stare. derrell always carried around this backpack of hatred. >> other students also told us they were bullied or beaten by dedmon and his friends, who called people n -- lovers if they befriended blacks. we were told school administrators mostly looked the other way as bullying and hatredfestered. they declined our requests but a spokesman said they take bullying seriously and they had no record of any trouble from derrell dedmon. students told us dedmon and his friends were a problem, using racial slurs, calling blacks and even president obama the "n" word. ken johnson used to manage a gas station where dedmon and his friends used to hang out. >> it seems like every word that came out of their mouth was the "n" word. if they're taking over, as if it was some kind of war. >> dedmon's family refused to talk to cnn, so did dedmon's attorney. this man did once close to dedmon and his friends, he now fears them. >> i believe every