unsolved. officials believed only one man knew what happened. we knew he was responsible for several deaths. and to get answers it would take a risky, unusual plan. send a convicted drug dealer undercover into a dangerous prison to befriend and alleged serial killer. i m not a serial killer hunter. i said, how am i going to do this? at stake, answers. wondering where she is. what happened. peace for grieving families. you want to find her and bring her home and you can t. and one man s freedom. you don t just turn around and give out candy and say, you re free to go. i went through hell and back. early each day, donna reitler greets her daughter, trisha. i say good morning every morning. i look at that and i can hear her say hi, mom! trisha was very kind-hearted and very smart. as a child, says father, garry, trisha lit up the room. she would just bound into the room, spread her arms apart and say ta-da! that type of thing. they brought her