trick or treat had been over for hours, and 26-year-old lauren menza went to bed around 11:00 p.m. her dog, chloe, slept in her room. at 2:00 in the morning, the dog started to growl. and lauren heard noises. at first, she thought one of her roommates came home with a boyfriend, but then he she heard a fight and screams. when she looked out, she saw a man run down the stairs and jump out of an open front window, but she didn't see his face. when she went upstairs, lauren found her two roommates. both had been stabbed repeatedly. >> 911 emergency. what are you reporting? >> oh, my god. we got attacked. please help. >> who attacked you? >> i don't know. my roommates are upstairs. i think they're dying. >> when police arrived, they found 26-year-old adriane insogna and 25-year-old leslie mazzara dead. >> it was a very, very bloody crime scene. it's the most bloody crime scene i've seen in my career. >> leslie mazzara was a former beauty queen who worked in the sales department of a local winery. >> and good evening. a senior at the university of georgia, i am leslie mazzara. >> adriane