noel stevens. >> what did he tell you? >> he knows shauna. he knew where they lived. that he did yard work and handyman work for george and everybody else in the neighborhood. >> reporter: so, someone shauna knew. someone george -- the do-gooder -- had tried to help. a thing not out of character for george. but greyhound, or, noel, was adamant that he had nothing to do with shauna's murder. then he agreed to show the detectives his campsite out in the desert. >> what'd you find? >> swimsuit bottoms that in our search of shauna's house appeared to me that matched the top that i had seen in her bedroom. there was also an extra small black dress, which, you know, shauna was very tiny. >> reporter: so, greyhound was the burglar poking around shauna's personal things. and in fact, her friend recalled shauna had grown uncomfortable with this particular charity case who'd been doing work around the house. >> she didn't want noel in the house anymore. and she said, you know, "you're -- you better get out o