Watch Celebrity Obsessed

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

St Petersburg, Florida, June 2016. A young man prepares himself for a pop concert in Orlando. Over the past months he's changed his look and lifestyle to appeal to the singer he's going to see, but he doesn't intend to enjoy the music - he's in Orlando to kill teen idol Christina Grimmie.

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

6th September 1996, Broward County, Florida. Hollywood Police Department find the body of 21-year-old Ricardo Lopez. This is the story of Bjork's stalker... how he prepared to maim or kill the star, and how his psychotic behaviour ended in tragedy.

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

July 15th 1997, Miami Beach, Florida. In the early morning sunshine, a man waits outside the palatial home of the designer, Gianni Versace. But Andrew Cunanan is not a fan hoping to catch a glimpse of, or a word with, one of international fashions most iconic figures. Cunanan is a stalker... and he has more than fan worship on his mind.

July 1998, Los Angeles, California a man loiters in the bushes outside a plush Pacific Palisades Mansion. But the suspicious man is not a burglar, he's there in search of one of the world's most famous movie directors...

May 30th 1981, Washington DC, a man lurks in a hidden corner of the exterior of the city's Hilton Hotel. Busy with their main priority of protecting President Ronald Reagan, Secret Service officers fail to notice the man. His face is soon on the front page of every newspaper in the world, but despite his headline grabbing shooting, Reagan is not the object of Hinkleys fascination...

December 1980, New York City, in the shadows of an upscale apartment block, a man called Mark Chapman is waiting with a gun. Within moments, John Lennon, one of the most famous musicians on the planet has been shot he is critically injured and within minutes he is dead. This is the story of the original stalker killer, and an incident that changed the world of celebrity culture.

In the shadow of the Hollywood sign, an aggressive and potentially violent intruder confronts a security guard on duty at the luxurious Castillo Del Lago. But 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.