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 two meals or just one? >> two. >> two, okay. >> 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 ther