and he came in the room and that's when i grabbed the gun. >> what exactly did you do? >> um, as he came in the door -- i don't remember. i -- i just -- the gun went off, i shot him. >> reporter: then at the rape crisis center, another version implying an accidental shooting. cara quoted as saying, "he grabbed her, and the gun went off." now she is telling the rape counselor that they were struggling over the gun? what? during this alleged sexual attack? >> she's told me, you know, he raped her. she shot him. but never said anything about him grabbing the gun or anything until she speaks with the rape counselor. >> reporter: finally, version number four. cara didn't really know who came barging into her house. she was simply scared and fired. >> somebody was in my house that i didn't expect to be in it. >> but see how you're explaining this now to me? cara, you're telling me the