a 2-year-old, wild about dora the explorer, erica lived here with her mom, earon harper. on may 18th, 2006, police got a frantic 911 call. when they arrived at the house, the man who made the call flagged them down. what was his state of mind? >> he was really hysterical. >> what was he saying? >> there's a little girl in there. there's a little girl in there. >> detectives tom bart and officer larry riley rushed into the house and found a horrifying scene. a woman, almost certainly dead on the floor. >> you just see a big -- like a pool of blood. >> the officers had to step over the woman to get to the back room, where, on the bed, they saw the little girl, motionless. >> when i first seen her, i thought she was -- she was dead. >> was she saying anything or doing anything? >> no. and, eventually, i touched her and she pushed my hand and said leave me alone. >> tell me about the emotion you felt at that moment. >> she was alive. >> but barely. the officers could see that the little girl had been shot in the head. dried blood was everywhere. they could tell that she had b