ben says angie then hung up promising to call him back a few minutes later. did, ben said, and she didn't answer his calls. concerned, ben told police he drove to her condo but angie wasn't answering her door either. and now ben was locked outside calling police on the early generation mobile phone in his truck and sounding to them oddly calm. >> my girlfriend called me, said there was a man in her apartment using the bathroom and the phone. now i cannot get her to answer her phone. her car is here and she won't answer the door. >> he broke in? >> no. >> she let him in? >> i'm not sure. i believe so. >> she doesn't know this man? >> no. >> police weren't sure what to make of ben and his version of events. >> so there was no way to tell whether the story that ben had told police on the 911 tape actually happened? >> the only thing we had was ben's word. >> no cell phone records back then and no records of local phone calls. that call that ben talked about, that may never have happened? >> that is correct. >> i would expect someone to be, i can't find her, she'