they issued a warrant for steve shappell, who was still on the lam. and morgan-- darren sedlak: we handcuffed her inside of the interview room and told her that she was under arrest for the murder of kevin mengel, jr. hoda kotb: they sent a police officer to talk to kevin's father. kevin mengel, sr: he said that we believe that your son has been murdered. it was not easy to sit and listen to. hoda kotb: kevin's three children we're spending the day at his sister michelle's house when she learned that kevin was not coming back. kevin's kids came in. and they just came up and started hugging me. and they're like, what's wrong? they just-- i think they knew. hoda kotb: michelle had known all along, she says, in her gut, that kevin was dead. but how it happened, michelle could not believe what police were telling them. she remembered steve shappell as that scrawny, unassuming guy who worked for kevin mowing lawns. in fact, he'd done some work on michelle's yard just a few weeks earlier. michelle felt badly when he told her he'd just had his wisdom teeth o