it appeared that leslie mazzara was attacked first. it wasn't clear whether this was because her room was closest to the stairs or whether she was the intended target. >> the evidence in her room indicated that she had been in bed when the attack happened. and so, it appears like she was probably asleep at the time the attack occurred and didn't have a chance to even understand what was happening to her or defend herself. >> a background check revealed leslie was being pestered by the father of one of her ex-boyfriends. >> that was leslie's last full-time boyfriend that she had before she moved out here to california. >> and her ex-boyfriend's father continued to call her, even after she moved to california. >> we looked at phone records for the house and cell phone records, and we learned that leslie had received several phone calls from the father of her ex-boyfriend that night on halloween. >> leslie's ex-boyfriend and his father had alibis for the night of the murder. they were both in south carolina, thousands of miles away, and w