about david pietz's roving eye intriguing, but hardly damning. >> i guess to describe it in current terminology, he thought he was somewhat of a player. >> did it make him a killer? >> didn't make him a killer, no. >> but david pietz's behavior towards women at the gym did get him fired, detectives learned. several female co-workers filed sexual harassment complaints against him with bally's management, including jackie morales. >> david was very verbal when it came to his comments. what looks better on jackie today, her legs, her butt, or her breasts? i finally got the courage to go to the boss. >> after getting booted from bally's, david moved on to a job at 24-hour fitness, where troy wagman remembers david talking about how he and his wife nici wanted to invite others into their sex life. >> more than once, he would approach me and ask me what i thought about three-ways in a relationship. and he and nici were exploring the idea of swingers' clubs. >> nici's good friends knew it differently. >> she was very appalled at that idea.