which brings us to michael stodnick. >> michael is a very attractive, very intelligent, softspoken, young man. about anna's age. he is a professor at the university of dallas. >> and anna's new man. good-looking, age appropriate. a mild mannered business professor. so, with a nice new boyfriend and a good job, anna moses was once again moving on up. until the day in january of 2015, when she didn't show up for work. michael said he couldn't get in touch with her, so he contacted police. they went to check on her. when you get a welfare check all, what do you normally expect to find? >> usually go to the house and find somebody there, didn't want to talk to the person who's trying to find them. or they've gone somewhere and just not told somebody. >> but this was different? >> yes, sir. >> coming up -- what was going on with anna? police were about to untrue cover a troubling q clue. >> that's when we found shell cases in the garage. >> one alarming discovery, and just feet away, another. >> i observed her lying on her back. i saw will appear to be a bullet hole in her scarf. >> when "date