>> everyone's very friendly, always waving. >> rachel still lives in the house she grew up in. >> we were able to play as kids at all hours of the day. we didn't have to worry about anyone ever hurting us or coming after us. it was a really safe neighborhood. >> but then came that november morning when tracy roared over there in her car. >> i had no idea what i was going to, what i was going to find, but i knew based on how i was told about it, that it was going to be something, you know, very bad. >> oh, and it was. >> i was barely out of my car before i saw the homicide lieutenant, the homicide sergeant, two commanders and obviously a bank of black and whites. so my first thought was there was an officer involved shooting. either an officer had been shot and killed or an officer had shot someone. >> but no, not that. no. what really happened was far stranger than that.