In rural Michigan, a young woman is found drowned in a lake, her baby missing. But they're not the only locals who've recently vanished only to turn up dead. One elusive man is at the center of it all.

In Missouri, 9-months pregnant Bobbie Jo Stinnett lies dead on her living room floor, her unborn baby cut out and stolen from her. Who would do such an awful thing? And where is the missing baby? Our experts encounter a killer's deadly compulsion.