. >> reporter: kristene's parents, grace and larry chapa, were worried, too. e had been pacing the floor ever since she discovered kristene hadn't come home the night before. >> that's unusual. >> that was very unusual. >> by now, how many times have you called your daughter? >> i would say about four or five times i called her. i even told her, "i'm gonna call the police if you don't call me right now." >> reporter: which is just what grace did. that's when she learned kristene had been hurt. but the officer wouldn't say much else, only that grace needed to get to memorial hospital. >> he doesn't tell you what happened? >> no. doesn't know what happened. >> reporter: it was only after arriving at the hospital that the chapas learned kristene had been shot. but they still didn't know if kristene was alive or dead. >> the nurse walks in and tells us one girl died and one girl is on the second floor. and we need to identify her. >> and they don't know who died and who lived? >> no. >> reporter: it was up to the chapas to identify the survivor. >> you couldn't go?