>> reporter: her friends say shawn had a temper and kaitlyn witnessed it first hand one night after a dinner. shawn was drunk, kaitlyn says, so she didn't want brooke to drive home with him. >> he did not like that. he began to get very angry. and we drove just down the street, pulled into the parking lot. and i pulled up right beside her car and she opened the door. and shawn was, like, right there, grabbed her by the arm. i told her, brooke, just get back in the car. and so she did. she got back in the car. and we drove off. >> reporter: friends say similar incidents followed, brooke felt shawn was stalking her. showing up unannounced and uninvited when she was out with friends. even after she stopped working for him. >> she definitely knew that something was wrong, you know, after he was obsessive with her,