Celebrity Obsessed

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.

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

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

In July 1998, a man loiters in the bushes outside a plush Pacific Palisades Mansion, Los Angeles, Calif., but the suspicious man is not a burglar, he is searching for a famous movie director.