justin merriman brutally raped katrina montgomery. they could hear her whimpering and crying. she s in a great deal of pain. she s scared. and she can t stop him. and they won t help her. merriman went on for hours until, says nicassio, finally he did stop, but his brutal assault wasn t over. she was hunched down on the floor putting her shoes on and justin was standing next to her and all of a sudden i seen him hit her like this. merriman pushes a knife into katrina s neck. larry describes how herren hand went over her neck and you could see the blood coming through her fingers and she fell on the ground. and ryan started saying, don t do it, don t do it. and she s begging justin not to do it. and justin is saying she s going to rat. she s going to rat. you know what happened to rapists in prison. she s going to rat.