Mark Williams-Thomas

Broadmoor: Serial Killers & High Security

A rare insight into the workings of the high-security psychiatric hospital, Broadmoor, with testimony from those who have come face to face with Britain’s most notorious killers. Broadmoor Hospital is home to around 200 of Britain’s most dangerous men, and this documentary offers a glimpse of what life is like behind bars for some of its most famous inhabitants, including Peter Sutcliffe and Robert Maudsley.

Madeleine McCann: The Case Against Christian B

The Other side of Jimmy Savile

Former detective Mark Williams-Thomas conducts an in-depth investigation into allegations that Sir Jimmy Savile sexually abused vulnerable teenage girls at the height of his fame.

The Investigator: A British Crime Story

Mark Williams-Thomas returns to ITV for an explosive and ground-breaking new investigative series that shows how real life crime can be far more compelling than fiction. The murder of Carole Packman, whose body has never been found, continues to affect the lives of many of those involved and as Williams-Thomas discovers, the shocking tale of murder, fraud, deceit and lies has left family members desperate for answers. In a UK television first, The Investigator: A British Crime Story, will follow the case over four explosive episodes, combining stylized drama with compelling documentary.

The Soham Murders

Using exclusive interviews, this film tells the story of the 2002 double murder of two girls in Soham, Cambridgeshire, England in unflinching detail.

Madeleine McCann: The Case Against Christian B

Mark Williams-Thomas carries out the first active British investigation into Christian B.

Diana: The Ultimate Truth

Marking the 25th anniversary of the tragic car crash that killed her, this new ground-breaking documentary will examine the death of Diana, Princess of Wales. Twenty five years on, many questions around what happened, and who is responsible, still remain. Featuring exclusive never before heard interviews, former Detective and award-winning Investigative Journalist Mark Williams-Thomas, will examine some of the theories that have emerged since Diana’s death and will set out to answer key questions: Could Diana have actually survived the crash if she had been treated differently at the scene? And what impact did Diana’s explosive BBC interview have on the final years of her life? Did it set off a chain of events that actually led to her death?

Update: The Jimmy Savile Investigation

After ITV released their documentary “The Other Side of Jimmy Savile“, they received a huge response which lead to more people coming forward with stories of abuse committed by Savile. This lead to a new documentary being released almost two months later in which Mark Williams-Thomas gets in touch with some of these people that came forward and tracks the progress of the current police investigation into these claims of sexual abuse.

Accused of Murdering Our Son: The Steven Clark Story

Following the unique experience of an elderly couple accused of murdering their son, Steven Clark. Steven disappeared in mysterious circumstances while on a walk with his family in 1992. Decades later, his parents Doris and Charles were arrested on suspicion of murder following a cold case review.

Jimmy Savile : Untouchable

Jimmy Savile appeared to be untouchable, why? This movie shows how celebrity and fame masked crimes in plain sight. Shaun Attwood interviews guests to reveal how Savile hid his crimes for almost 50 years