Robert Dewey Hoskins is not at Castillo del Lago to commit a robbery; he's there to see, and possibly attack, the woman he calls his wife but they've never met: Madonna.

Hinckley's obsession with Jodie Foster and his bizarre actions threw the U.S. government into chaos; it almost led to the death of President Ronald Regan.

The story of the man who killed John Lennon, Mark David Chapman, and how the event changed the world of celebrity culture forever.

In July 1998, a man hides in the bushes near a Pacific Palisades mansion in a quest to find director Steven Spielberg.

A man waits outside the home of the Italian fashion designer, Gianni Versace. However, the man is no ordinary fan, he is in fact a stalker, and he has more than fan worship on his mind.

A seemingly innocent dinner date sets off a series of events, which ultimately leads to a lengthy trial and a prison sentence; this is no ordinary couple; one of them is the actor Alec Baldwin, the other is a woman whom he accuses of stalking him.

Hollywood Police Department find the body of 21-year-old Ricardo Lopez; this is the story of Bjork's stalker; it tells of how he prepared to maim or kill the star and how his psychotic behavior ended in tragedy.

It is the late 1980's, David Letterman is at the height of his powers and everyone wants to know him; but one person wants to get closer to Letterman than anyone else; when fan worship becomes obsessive, things very often get out of hand.

The death of American singer and The Voice star Christine Grimmie, who passed away at the hands of an obsessed fan.

A look at Sandra Bullock, an A-List superstar, and one of the most famous faces in Hollywood. As her popularity and undoubted public appeal increased, she attracted the unwanted attention of an obsessed fan.