pick up a prescription for his wife. when he returned an hour later, shirley was gone. >> he thought maybe his wife went to a restaurant for breakfast or might have taken a walk down to the beach. >> it was also possible that shirley simply went shopping. >> shirley was a world-class shopper, would spend hours talking and shopping and come home with having purchased absolutely nothing, but we would have considered it a very successful shopping day. >> but when mike found her purse in the hotel room, he suspected something was wrong. after several hours had passed, mike called the police department to report her missing. >> yes, hi, this is mike garvin. i'm calling about my wife. she just went out to walk. she said she was going to walk by the ocean or something. >> okay, so there's someone missing? >> when questioned by police,