>> jeff put some sort of tape recording device on his telephone unbeknownst to her. she was caught receiving and making calls to fred andros. >> when jeff fassett confronted his wife about the affair, susan promised to end it. >> things were really up in the air. and then one day they just came to us and said that they were going to work on things. they were going to fix things. >> police wondered if fred andros might have been angry that susan ended their affair. but fred andros had an airtight alibi for the night of susan's murder. andros and his wife had friends over to dinner that night. >> fred andros was despondent and upset. he wanted to know -- i think he asked such thing like who would do such a thing and he cared about her. >> at the autopsy, the medical examiner recovered five bullets from susan's body. >> you're looking for a .45 caliber weapon. >> we determined that andros