The 1980s: The Deadliest Decade

Questions persist about the last night of Mario Biondo, the husband of Spanish TV host Raquel Sánchez Silva. This true-crime series uncovers new details.

These chilling stories of murder hit terrifyingly close to home -- each a real-life tale about the last thing anyone wants to find in their basement, a dead body. Every episode will make one think twice before ever stepping foot in the basement again.

High-stakes exploits turn deadly — and shake a global church to its core — in this extraordinary true crime story.

Francisco de Assis Pereira's crimes are revisited from the perspective of the victims, new reports from investigators and unpublished audio recordings from one of Brazil's most infamous serial killers, known as the Park Maniac.

A rookie Homicide detective's negligence in a fellow officer's death has her searching for redemption in her investigations.

Jorge Ponce sets out to try and discover the identity of "Medina," a mysterious character who has spent the last 20 years scamming dozens of TV personalities by pretending to be a former colleague with a personal drama.

In May 2007, three-year-old Madeleine McCann vanished from a holiday resort in Portugal. Now, German police believe they know who is responsible for the crime. Interviews with investigative journalists explore this new suspect.

Hosted by retired Atlanta detectives Vince Velazquez and David Quinn, this true crime series showcases some of the toughest and most talented homicide investigators and the mind-blowing cases they solved during their careers.

The disappearance of the McStay's haunts police for three years until their remains turn up in the desert. Prosecutors say evidence proves Chase Merritt killed them, Merritt said he's innocence, claiming they are misinterpreting the facts.

Gripping real-life cases of some gruesome murder trials, featuring genuine CCTV footage as well as shocking courtroom video recordings used to piece together the truth and find the killer.

The chilling story of one of the world’s most notorious serial killers told through the words of Gacy himself, those who were forever changed by his unspeakable deeds and those who believe that the full truth remains concealed to this day.

Charlie and Nicola Buchanan are crime scene cleaners whose unique quirks and talents solve the most baffling murder mysteries.

From Executive Producer Dick Wolf, this true crime investigative series follows veteran prosecutor Kelly Siegler, and her rotating team of seasoned detectives, as they travel to small towns across the country and help local law-enforcement agencies dig into unsolved homicide cases that have lingered for years without answers or justice for the victims due to lack of funding and proper forensic technology.

In interviews and rare home video footage, ex-FLDS members share the truth about their isolated community — and the events that pushed them to leave.

The powerful Murdaugh family has held sway over the South Carolina “low country” for a century—until now. Alleged murder, corruption, and deception are revealed. Meanwhile Alex Murdaugh, 4th generation of the legal dynasty, stands accused of enough financial crimes to sentence him to more than 700 years in prison…and the saga continues.

Internet crimes often take a devastating toll on the victims. Strangers can now access others' personal lives to harass, violate, and even physically attack them. Once this type of crime occurs, it's nearly impossible to get justice -- or relief.

A series that dives into the dark world of contract killings, showcasing some of the most fascinating murder for hire cases ever caught on tape.

Dexter Morgan, a blood spatter pattern analyst for the Miami Metro Police also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.

The murder of a young boy in a small coastal town brings a media frenzy, which threatens to tear the community apart.

A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing pieces that solve the mystery.