blood spatter inside the car. it was a frenzied attack. the theories were awful. drug drug rings, prostitution rings. the town was going crazy. are going to come across the suspect. it was fascinating how they went about the investigation. we got a call and there s three brothers and we think one is a killer. we ve got a live one here. what do you think? we are ecstatic. he was sitting at a booth by the window. it s hard to enjoy your food when you think you are staring at the killer. hello, welcome to dateline. teenager michelle martinko was blessed with beauty, brains, and compassion. her promising future was cut short when she was savagely murdered. that dreadful night was ice cold and after four decades, so was her case. then, a stunning scientific breakthrough helped detectives whittle down a list of suspects to unmask a killer hiding in plain sight. here is dennis murphy with and to then there were three. it was an act of unspeakable violence. it w