纪录片犯罪
Abby and Libby - two young girls murdered. Investigators are searching for the killer using their biggest clues: a grainy picture and a recording of his voice from the victim’s phone ordering the girls “Down the Hill.” More than 3 years and 50,000 tips later, it’s a mystery that still haunts the small town of Delphi, Indiana while police say the killer may walk among them.