did you do this? why did you bring him here? why did you trust him? >> patricia didn't call the police. but the next day she went to a college health center, where she said she saw a nurse. but, says the nurse didn't take any action to report a rape allegation. >> i told her i had been raped and i remember her reaction because it made me feel just as ashamed. she didn't want to deal with it, she walked away. >> patricia herself, hide walked away herself from terrible experiences before, but moving on from this proved nearly impossible. especially with just weeks later police found a body. coming up, that discovery would lead to a strange and sinister puzzle. >> i've been to a lot of seeds in my career but this one was a little more gruesome. >> a mystery victim, a crime of passion, and on the phone bill a clue. >> there was a handwritten note