nelsons she was lying. it was no lie. i won't patricia heard about jessica -- >> that's the hardest thing for me. > because you already warned everybody about him? >> yup. >> her experience with matt, at first, was not unlike the nelson's. >> he wormed his way into our family and none of us thought that he would do anything like that. >> so he was a friend of your family too? >> yes. i met him through my oldest daughter. >> wow. >> my husband taught him how to drive his truck. things like that. things that you would do if we had a teenage boy. >> sure. >> and then one day he caught her alone at home and she grabbed her neck and tried to choke her. and she fearing he would kill her stopped struggling, and discovered something revealing about matt. >> from what i could tell, and with my situation is the violence and stuff, is what got him. >> yes. because when you relented, it honestly wasn't a turn on for him anymore? >> yes. >> and if she hadn't given in. >> i wouldn't be here. >> you would've been in jessica's place? >> yes. it shouldn't have happened to that girl. >> it shouldn't have. >> and sh