when he was finally able to talk, sutton received a visit from police detectives. susaniscovered had been having an affair with sutton's law partner, teddy montodo. >> it is upsetting. i am not excusing teddy, i'm not excusing anybody. i don't focus on that. i can't change it. can't change any of it is a bad dream. >> reporter: then the dream got worse. teddy was a possible murder suspect. >> one of the homicides detectives related to me there has been a problem with the polygraph. >> reporter: he was actually a suspect. >> i suspect so. anybody that probably was anywhere near me was a suspect. >> reporter: but as sutton was absorbing the news of his wife's apparent betrayal. montodo slipped off the list of top suspects. for one thing he couldn't have been the shooter he was on the phone with susan when it happened. records confirmed he actually called the police before rushing to the sutton house. so, as detectives eliminated early suspects like montodo. they went back to the basics of every homicide investigation. >> everyone is somewhat a suspect. you know you start w