dawn lavender told her cell mate she killed teresa mayfield in a murder-for-hire scheme.id the hiring? mears keith morrison with the conclusion to secrets in a small town. >> dawn lavender sounded for all the world that she was boasting as she confessed to her cell mate that she murdered teresa mayfield in cold blood. in fact, in recorded conversations with her cell mate, dawn not only admit today shooting teresa, but said that she had tried once before. that strange night at a casino when teresa came home stumbling, that was her first attempt at murder. >> why? why would she want to kill her friend? because, listen to this, the answer to the whole puzzle really comes down to one little word. dawn uses it when telling her cell mate when she did. >> we? dawn was not acting alone. she had a co-conspirator. >> i don't know if she was trying to be a show-off because she was calling herself a hit man. >> dawn was a hired gun for, you guessed it, scott mayfield. >> she was a loving wife, loving mother. >> the man who , with his grieving children by his side, he was the architec