other than that, the truck was in fine condition except for some marks in the back of the bed of the pickup truck. >> and the truck radio was tuned to a rock music station. >> melvin snyder never listened to rock music. >> melvin snyder was well known in his small town. >> gentlemen, change partners. >> just a year earlier, melvin had an affair with a married woman, teresa harshman, who he knew from square dancing. melvin and teresa left their jobs and families behind and fled to montana. >> hey, everybody swing! >> melvin's wife, joanne, and teresa's husband, ron, took the opportunity to get better acquainted, too. >> mr. harshman and mrs. snyder struck up a relationship and were intimate with one another.