>> reporter: l.j., the guy annie had written that note to. the alleged gang member. the one chris bagshaw said annie had run away with. >> we had annie's entries that said l.j. we had joanna telling us about l.j. >> reporter: on that night, said joanna, l.j. and the girl disappeared into the garage. she assumed they were having sex. then when they came out, she saw daniel approach the girl. >> he asked her if she wanted to [ bleep ] and she laughed. and she was like, no. and he just kind of grabbed her head and just rammed it into the wall. >> reporter: she said the girl was knocked unconscious. l.j. and another friend named "v" tried to calm daniel down. and then the three of them carried the girl out to the garage and changed her clothes. >> tell me about the clothes they changed her into. >> there was a lot of red. that's what i remember the most. >> what parts do you remember being red?