When a vivacious young escort, Shannan Gilbert, vanishes on Long Island's south shore in 2010, her disappearance lead...

The discovery of four women's bodies on Gilgo Beach was just the beginning. But who is the Long Island Serial Killer?...

[Gone Without a Trace] In 2011, a 10-month-old baby girl goes missing from her home in Kansas City. The family fears...

[Murder by the Book] On June 12, 1991, outgoing Jackie Galloway is found strangled and bound with ritualistic knots....

[The Keddie Murders] A mother and three teens are murdered in the remote town of Keddie, California. Despite a trail...

[A Ghastly Discovery] In 2012, hikers in Los Angeles' Hollywood Hills discover the severed head of Hervey Medellin, ...

[Mystery in Texas] In 1995, 16-year-old Adrianne Jones is found shot to death in Grand Prairie, Texas. A model stude...

[20-Year Murder Mystery] Six-year-old beauty queen JonBenét Ramsey is found murdered in her Boulder, Colorado home i...

[Los Angeles Serial Killer] A lone survivor is the only witness who can help police track down a serial killer known...

[Murder in Alaska] In 2004, the small town of Craig, Alaska is shocked when police discover the charred body of belo...

An army surgeon, Jeffrey MacDonald, is the lone survivor of a brutal 1970 home invasion that claims the lives of his ...