15 years old as is julian mcknight who walked in with his father. neither of the boys said anything to me, and julian mcknight's father said very little. >> hi there. good to see you again. julian, can you tell me anything now? how are you holding up with all this? >> holding up. getting through it. >> reporter: each of the kids is charged with aggravated battery. they are due upstairs in court in about 45 minutes from now. prosecutors plan to play in court for the judge to see the entire school bus camera videotape, allegedly showing joshua redden, julianne and lloyd pummeling a 13-year-old boy on the bus. police say it was retaliation for the victim telling teachers two of the suspects had earlier tried to sell him pot. prosecutors say only playing this tape in court will allow