H. H. Holmes: Original Evil

Billy and Alexis expose serious problems with forensic experts' testimony in the U.S. court system, citing multiple cases in which people were charged with murders they didn't commit, based largely on an expert's opinion.

On November 27, 1978 San Francisco Mayor George Moscone and Supervisor Harvey Milk were killed by their colleague, Supervisor Dan White. The murder tore San Francisco's political scene apart and made people question whether junk food, Twinkies, could drive someone to murder.

Using interviews with expert witnesses, detectives and members of law enforcement, reveals the true story of Wayne Couzens, asks how he was able to hide from scrutiny for so long, and considers the larger problem of misogyny in the police force.

After killing one person and wounding two others in a two-day shooting spree in July 2010, 37-year-old Raoul Moat went on the run. This is the story of the investigation—and how Moat escaped police officers’ clutches for a week.

The documentary tells the story of Júlio César, a young Afro-Brazilian who was executed by the Police in the 1980s in Porto Alegre. The crime became notorious when the press published photos of Julius being put alive in the police car and arriving 37 minutes later shot and dead at the hospital.

Nine years after the disappearance of Cédrika Provencher, Claude Poirier returns to the scene of the crime. With the help of lawyer Guy Bertrand, former minister Jacques Dupuis and witnesses of the events surrounding Cédrika's disappearance and the discovery of her skull, Poirier reveals all he knows about this sadly popular story.

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

OverKill examines the 1996 murder of JonBenet Ramsey. It looks at evidence gathered over the years by Lawrence Schiller author of the bestseller "Perfect Murder, Perfect Town". It looks at police investigation tapes and sworn depositions offered by many of those involved in the case and tries to piece together what happened.

RHINO MAN follows the courageous field rangers who risk their lives every day to protect South Africa's rhinos from being poached to extinction.

A BBCEye investigation into three K-pop stars who were sharing evidence of sexual crimes in secret chat groups.

In this true-crime documentary, a charismatic rebel in 1990s Seattle pulls off an unprecedented string of bank robberies straight out of the movies.

This gripping, atmospheric documentary recounts the infamous trial, conviction and eventual acquittal of Seattle native Amanda Knox for the 2007 murder of a British exchange student in Italy.

Chris Watts appeared to have a perfect life until he shockingly confesses to strangling his pregnant wife and two daughters.

The story behind the murder of 16-year-old Becky Watts, who was killed by her stepbrother Nathan Matthews and his 21-year-old partner Shauna Hoare in Bristol in February 2015. This programme documents the huge police manhunt that unfolded in the wake of her disappearance, and the police investigation which eventually brought her murderous stepbrother to justice.

John Sweeney murdered and dismembered the bodies of two ex-girlfriends before dumping them in canals in London and Rotterdam in 1990 and 1992. This programme examines the police investigation that finally brought him to justice after evading capture for years, and reveals how John Sweeney was ultimately undone by his own hand.

After threatening his ex-partner for years, Marcos M. murders his 11-year-old son with a shovel. A year later a popular jury condemns him for murder, to kill making full use of his faculties, and determines that the crime against the child did not seek anything other than to punish the mother. In the fact on which we base ourselves, violence, harassment, the murder of a child to harm the mother and the death threat that still hangs over the woman concur.

"Sam, could you do me a favor?" A seemingly simple request sparks the story that has now become part of America’s true crime hall of fame - the journey of a young lawyer, fresh from the Public Defender’s Office, whose first client in private practice turns out to be the most evil serial killer in our nation's history.

In The Family I Had, a mother recalls how her brilliant teenage son came to shatter their idyllic family through one horribly violent and shocking act. Now, left to pick up the pieces, the survivors test the boundaries of their newly defined reality in this moving true crime exploration of the nature and limits of familial love.

In a South London police station, officers are shocked to discover a man has been murdered in a locked cell. The suspected killer is his cellmate, a homeless man named Kieran Kelly, in custody for theft. Police interview 53-year-old Kelly, who has a long rap sheet for petty crimes, and he calmly confesses to killing the man in the cell, but detectives are unprepared for what comes next.

The case of Ann Heron, a British woman who was murdered on 3 August 1990 at her home in Darlington, County Durham, by an unidentified killer.