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.

In Flint, Michigan, someone is randomly stabbing men to death on the city streets, seemingly not caring if they live or die. What compels the man dubbed the Ghost Killer? Our experts try to understand what's driving this twisted killer's psychosis.

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.

When a man is found shot dead on a roadside in rural Ohio, it looks like a hunting accident. But then more outdoorsmen are found gunned down in neighboring counties. Someone is hunting the hunters

In the mill town of Woonsocket, Rhode Island, women are disappearing at an alarming rate. How do you catch a killer when there are no victims? Our experts analyze the actions of an utterly innocent-looking, highly organized serial killer who nearly got away with it.

In suburban Ohio, an entire family goes missing, their house filled with ominous blood stains. The mystery deepens when it's learned the daughter was kidnapped and kept on a bed of leaves.

In Chapel Hill, North Carolina, when troubled teen Josh Bailey goes missing, it leads detectives to a horrific gang-related homicide. Our experts zero in on how a psychotic, charismatic leader can manipulate others to the point of murder.

In upstate New York, a series of brutally violent stabbings set police on the trail of a spree killer who targets women with increasing ferocity. Our three experts unpack this twisted killer's unusual compulsion to kill.