cliff reid says she never turned up. and greg knew reid from when he had visited the house. >> he was going to fix my car for me. and then he stayed for dinner. >> what did you think of him? >> he seemed like a nice guy. >> on the face of his, his appraisal of sandy's co-worker seemed right. they were drawn together by mutual need. >> did sandy see cliff as someone she could lean on for help, being a single mom at the time? >> i think sandy was going through a traumatic time in her life. she was separated from her husband, had some financial challenges. and cliff reid was someone at work that would listen to what she had to say, would offer support. >> and he actually helped her financially. so he was there for her. >> cliff was, was there. he'd given a loan to sandy of about $1800 at some point prior to her disappearance. >> despite his apparent generosity, there was something about cliff the co-worker, the cops weren't buying. >> cliff looked to be doing everything he could to present himself to sandy as a normal and ca