doing? >> he's screaming and he's yelling. >> reporter: and, as these police photos make clear, covered in blood. >> i'm asking him, like, conrad, what's going on? what happened here? he said, she was in the bathroom, you know, and just, i don't know what happened. everything was just different answers and different theories, different little things. >> reporter: right away crook went to check one of those theories, a stray bullet perhaps coming through the bathroom window. >> the window was closed but there's no bullet hole. >> reporter: nothing to indicate that anybody fired a shot. >> that's correct. >> reporter: crook returned to the kitchen, and that's when he discovered a gun lying on the kitchen floor. what did you think had happened? >> honestly, i didn't know. >> reporter: was this an accident? an attempted suicide? or something far more sinister? at least for now, those answers would have to wait. heidy was clinging to life. >> my focus at that time was, honestly, was to help heidy. >> reporter: paramedics took heidy to a nearby hospital. conrad followed in a police cruiser.