forensic analysis confirmed the tape was from the garvins' home. miked shirley's body in the trunk of his car, and at 6:21 p.m. spoke with his girlfriend on the phone, something he probably couldn't have done if shirley were alive. the next day, he visited his girlfriend's home, and she told police he stayed overnight for the first time in their dating relationship, another clue that shirley was already dead. in the early-morning hours, mike drove to the state park and buried shirley's body. mike answered her cell phone while there, a call that utilized the cell tower nearby. mike then headed to key west, florida, for his cover story. the cameras in the toll booth and convenience store proved that mike drove to key west alone. after he checked into the hotel, records show mike ordered only one chicken sandwich in the restaurant, another inconsistency, one he lied about to police. the next morning, he reported his wife missing. >> that was his alibi. that's what he was going to do, report her missing from key west so that law enforcement would center the

mike was the one who found her body. >> i think this guy's got some bad luck with his wives, that's what i thought. >>> when 55-year-old shirley garvin went missing from her hotel in key west, florida, police wanted to know more about her activities. so they asked mike to retrace their steps and tell them everything they did together since their arrival. mike said they checked into their hotel and that he left to get them both dinner. >> ordered our evening meal. i think it was a ranch chicken sandwich or something like that with french fries, came back to the room, finished our meal, went to bed. >> did you order just one meal or two? >> two. >> but the bartender said he only ordered one chicken sandwich, and the restaurant receipt confirmed it. >> well, that receipt started making me believe that mrs. garvin never made it to key west. >> a check of mike's credit card activity revealed he stopped at a convenience store in miami on the way down to key west. but the store's security camera showed mike was there alone. >> and we just thought it was odd that after driving that long that shirley wouldn't be coming in there to go to the b

mike garvin was a particularly good real estate agent, which afforded him and his wife, shirley, a lifestylet would envy.