Deadly Cults

People searching for answers, healing, or human connection end up joining some of the strangest organizations.

Tracks the rise and fall of serial killer expert Stéphane Bourgoin whose dark lies are exposed by sleuthing fans.

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.

A journey into the experience of being a victim of a sudden crime, from the moment those attacked first perceive the danger through the potential long-lasting effects. Using surveillance and cell phone footage captured during the crime, the series follows individuals going about their daily lives who were confronted with a dangerous situation and forced to make a quick decision on how to protect themselves or their families.

In 1979, three young women were killed in a streak of brutal murders in Fall River, MA, allegedly by a satanic cult practicing human sacrifice. Twenty years later, new evidence has surfaced and shed light on murders that were thought to have been solved.

An accidental killing leads a man down a dark hole of intrigue and murder. Just as he finds love and freedom, one phone call brings back the nightmare.

Technology has become the new frontier in solving homicides, illustrating the surprising ways that cell phone data, smart watches, fitness trackers, GPS devices, geolocation coordinates, doorbell and traffic cameras, gaming devices, surveillance video, internet searches, apps, and social media messages can be the critical clues in murder investigations.

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

Combines four to five segments of dramatic re-enactments, interviews and updates of real human and paranormal mysteries. An audience interactive call-to-action request allowed viewers to call in with tips to help solve the cases.

The first-ever Evil Lives Here aftershow. Through interviews with family members and experts, Linkletter dives deeper into each new Evil Lives Here story to unlock never-before-heard secrets.

Working for nearly three decades with the Charlotte (N.C.) Police Department, Detective Gary McFadden has developed unorthodox methods that have helped him solve more than 700 homicide cases. He has a 90-percent success rate with the investigations he pursues. "I Am Homicide" shows how Detective McFadden uses his street smarts to work the neighborhood networks and gather critical information for leads, at times risking his life by trusting the streets he calls home.

The story of how the lottery invented to finance a zoo was incorporated by Rio de Janeiro's popular culture and, in the hands of organized gangsters, transformed itself into an immense crime empire.

NBC News correspondents Keith Morrison, Josh Mankiewicz, Stephanie Gosk and Andrea Canning examine the final day of a victim’s life – the split-second decisions and pivotal moments that made the difference between life and death. Detectives retrace those crucial hours looking for clues to solve the mystery.

Dramatizing one of the most infamously notorious and shocking serial killer cases in the world, the hunt for Peter Sutcliffe, commonly dubbed the Yorkshire Ripper, between October 1975 and January 1981, South Yorkshire police undertook the biggest manhunt in British criminal history. The search for Sutcliffe lasted five years, involved over a thousand officers and changed the way the British police worked forever.

When we sleep, we are at our most vulnerable. Sometimes crimes occur when a few or even all key characters are fast asleep. These stories tap into the primal fear, present since childhood, of what happens once we shut our eyes.

In November 2015, a disturbing discovery of a human corpse thrust the quiet Welsh village of Beddau, into the spotlight. The identity of the deceased body remained a mystery, with no matching DNA, fingerprints, or dental records available, turning the case into a haunting dual mystery: who did this, and who was the victim?

The true story of three young Oklahoma girls, found murdered after their first night at sleep-away camp. The tragedy, as well as the manhunt and trial of their suspected killer, captivated the nation in the summer of 1977. But decades later, uncertainties surrounding the case continue to haunt the Tulsa community, local law enforcement, and the victims' families.

The story of how Detective Superintendent Steve Fulcher deliberately breached police procedure and protocol to catch a killer, a decision that ultimately cost him his career and reputation.

Ross Kemp investigates Britain's historical connection with the mafia, understanding the background behind the relationship and revealing the truth.

A journalist races to learn the truth when human remains are found in the home of self-proclaimed Satanist "Pazuzu".