tracey roberts, and her three children. hooting. >> is there anybody threatening you at this time? 20 miles away, tracey's mother was also wondering about her daughter. tracy was late picking her up for her grandson, bert, basketball plastics. then the phone rang. it was her, sobbing. >> she just broke out in tears. and was crying hysterically on the phone, was really hard to understand him. and said that someone was shot in the house. and someone -- >> tracy's mother, hoped in her car and raced down country roads to the house. she says the policeman stopped her from going inside. >> he said, i couldn't go in because it was a crime scene. and i said, i want to see how my daughter, how she is. i'm sorry. and he said, they are working on her. and she couldn't breathe. >> tracey was alive, but she was gasping for breath. paramedics loaded her into the ambulance and took her to the hospital. two hours later, another mother came rushing to what was once the home of a friend, but now a crime scene. >> and there's all these kids, a