This Is a Robbery: The World's Biggest Art Heist

Sex, lies and a tale too twisted to be real surround the murder of Gregg Smart. Who Killed Him? And why? On May 1, 1990, 22-year-old teacher Pamela Smart finds her husband Gregg dead on the floor of their southern New Hampshire condo, leaving the town of Derry stunned. Scouring the region for clues, police shift their attention to Gregg's grieving widow, Pamela Smart, who has been making curious television appearances publicizing her plight. When investigators discover Pamela has been having a sordid affair with high school student, Billy Flynn, a complicated web of lies and deceit unravel, revealing one of the most scandalous crimes of the century. Now, leading true crime network Investigation Discovery (ID) delves into the case in Pamela Smart: An American Murder Mystery. From the tawdry affair, to teenage assassins, to the explosive nationally televised trial, this case transfixed the entire nation as Pamela Smart emerged as the original Black Widow.

The story of how the crimes of ‘respected’ GP Harold Shipman were first discovered and how he was eventually apprehended and charged with the murder of 15 of his own patients.

A look at some of the biggest cases handled by real-life FBI agents and analysts.

In July 1994, Pablo Ibar is arrested, accused of a triple murder in Miami. A crime that shook the foundations of the whole community given that the whole thing was recorded on a home security camera. Although he defends his innocence throughout, Pablo is condemned to death and will spend more than 20 years in prison... until Florida Supreme Court confirms the lack of proof against him and orders a retrial. Back in the starting box, the District Attorney’s office once again asks for the death sentence while the Ibar family sets about finding the money to pay for a trial that will cost more than a million dollars. This is his last chance.

Featuring new revelations and unprecedented access, this docuseries digs into the disappearance of 25-year-old Sheena Bora and the shocking aftermath.

Investigating murders that intersect with Playboy, exposing the pitfalls of fame for those appearing on their pages and forcing audiences to question everything they thought they knew about one of America's most recognizable publications.

A four-part documentary about the South African Paralympic and Olympic sprinter Oscar Pistorius, who shot and killed his girlfriend in the early hours of Valentine's Day 2013. The story of a man and a nation both born to great disadvantage, the film follows the challenges, hopes and triumphs of both and the demise of their dreams under the glare of the world media.

Deep dive into the trial of OJ Simpson like you've never seen it before. Featuring some of the original key players involved in what would come to be known as 'The Trial of the Century.

Aphrodite Jones goes behind the scenes of famous murder cases to uncover hidden secrets and new information to shed new light on these sensational stories.

Veronica is 30 years old when she disappears. At home in the apartment in Högsbo in Gothenburg, 3-year-old Marcus is waiting for his mother. Today Marcus is 22 and is looking for his father. In the wake of the parents' love story, the mystery grows and discovers a dramatic tangle of events in China, Thailand and Sweden, with disappearances and murders.

A docu-series that spotlights entitled individuals involved in elaborate criminal behavior. At times quirky and funny, at others outrageous or disturbing, these are the stories of people who thought they could, or should, get away with it.

Planning a crime often takes a lot of work and some deviously clever thinking. This series profiles women who use twisted ingenuity to come up with elaborate schemes that result in what they think are perfect crimes. No matter the motive -- whether it's power, control or money -- the women stop at nothing to get what they want.

Documentary series on the circumstances surrounding the death of María Marta García Belsunce, one of the most controversial criminal cases in Argentina.

Caro Meldrum-Hanna investigates one of Australia's most notorious crimes: the disappearance of baby Tegan Lane and the conviction of her mother Keli Lane of her murder.

This four-part documentary series follows the story of India Oxenberg's perilous journey through the dark and criminal world of the notorious self-help-group-turned-sex-slave-cult NXIVM.

Go between the lines with the authors who have written the definitive accounts of infamous crimes. Adapted from the critically acclaimed true crime bestseller's, each author tell their infamous stories on-camera. Each story is told only from the author's perspective.

A docuseries that follows the cold-blooded homicide of a former cartel lawyer and high-level cooperator for the U.S. government, Juan Guerrero Chapa, and the subsequent investigation and trial.

Three schoolgirl murders. Two killers hiding in plain sight. Six video tapes that horrify the world and lead to one of the most controversial murder trials in modern history: one that left a nation shamed, victims denied justice, and a serial killer roaming free in Canada today. Over the course four parts, THE KEN AND BARBIE KILLERS: THE LOST MURDER TAPES follows the extraordinary twists and turns of the case and trial of glamour couple Paul Bernardo and Karla Homolka, the "demonic duo of dark kink", who quickly became the most notorious killers in Canadian history.

Swamps, bogs, marshes, bayous and riverbeds can be murky, dark, crazy places, but when a body pops up, things get downright mysterious. Through stylish recreations, Swamp Murders will bring the viewer into the the subculture that's captivating America.

Actress Susan Lucci hosts this enthralling series that looks at love triangles gone bad, office romances gone awry and other passionate love affairs that ended in death.