Fool Me Once: Hunting Marcel Vautour

Serial killer Jeffrey Dahmer confesses to his gruesome crimes in unguarded interviews, offering an unsettling view into a disturbed mind.

An overgrown field and a stretch of highway connect a series of grisly murders spanning several decades as grieving families search for answers.

In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

Through bodycam footage, texts and interviews with loved ones, this documentary investigates the horrifying murder of four University of Idaho students.

What happened to Mica Miller? This documentary series retraces her promising life, toxic marriage and the mysterious circumstances of her death.

Presented by Walsh, the show profiles and assist law enforcement in the apprehension of fugitives wanted for numerous crimes, including murder, rape, kidnapping, child molestation, white-collar crime, organized crime, armed robbery, gang violence, and terrorism, and also many of whom are currently on the FBI Ten Most Wanted Fugitives list.

Interviews with friends, family and Sally McNeil herself chart a bodybuilding couple’s rocky marriage — and its shocking end in a Valentine's Day murder.

Death row inmates convicted of capital murder give a firsthand account of their crimes in this documentary series.

True crime and sports come together in this docuseries. Global controversies and scandals are explored through reports from those involved.

This intense documentary series details true stories of neighbors gone bad, from heinous fraud schemes to senseless acts of violent retribution.

Celebrated as one of the greatest R&B singers of all time, R. Kelly’s genre defining career and playboy lifestyle has been riddled with rumors of abuse, predatory behavior, and pedophilia. Despite damning evidence and multiple witnesses, to date, none of these accusations have seemingly affected him. For the first time ever, survivors and people from R. Kelly’s inner circle, are coming forward with new allegations about his sexual, mental, and physical abuse. They are now finally ready to share their full story and shed light on the secret life the public has never seen.

This gripping four-part documentary series explores the explosive life of Mike Tyson — one of the most feared and fascinating figures in sports history.

Jimmy Savile was one of the United Kingdom’s most beloved TV personalities. Shortly after his death in 2011, an investigation prompted more than 450 horrific allegations of sexual assault and abuse, with victims as young as 5.

A non-fiction investigative series of murder cases told through the personal experience of retired detective, Lieutenant Joe Kenda. Through re-enactments, discussions with investigation teams, and interviews with victims' families and other involved persons, the show highlights Kenda's successes with his 400 homicide case history and 92 percent solution rate.

Explore the extraordinary measures taken by ten savvy individuals to pull off mind-boggling, high-stakes gambles. Each episode charts the exploits of an overzealous entrepreneur who may have gone too far in their pursuit of riches and recognition.

A six-part, true crime docuseries about a mysterious murder of Ken Rex McElro that took place in the ‘80s with at least 60 witnesses present, all of whom deny seeing anything.

This four-part docuseries investigates the events of 1993, where Lorena Bobbitt sliced off her husband's penis after years of abuse. John and Lorena Bobbitt's stories exploded into a 24-hour news cycle. She became a national joke, her suffering ignored by the male-dominated press. But as John spiraled downward, Lorena found strength in the scars of her ordeal.

This compelling series investigates the motives and m.o. of female murderers. While males are often driven by anger, impulse and destruction, women usually have more complex, long-term reasons to kill.

Eighty-five million acres make up the National Park System, and only 33 special agents nationwide are responsible for investigating crimes that occur on this public land. This documentary series follows the uniquely qualified team that leads the investigations as they seek to bring law and order to some of America’s most rugged and remote landscapes, tackling a new case each season.

In 1991, four teenage girls were brutally murdered at a frozen yogurt shop in Austin, Texas. What happened that night forever shook the Austin community and continues to mystify the police and haunt the families left in the wake of unthinkable loss.

Mafia Connection exposes old and new mafia organizations threating Italy.

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.

Journalist Kate Snow takes a journey with families as they go to great lengths to find answers about their loved ones' deaths. These ordinary heroes go undercover, hunt for evidence and put their lives in jeopardy while trying to find justice.

Successful insurance salesman Rob Marshall, his bright and devoted wife Maria, and their three sons are the perfect American family. Then the nightmare begins. One night, Rob is attacked and Maria is shot dead. At first, Rob seems the a grieving widower. But, as incriminating secrets come out, he must prove his innocence before the judicial system-- and the horrified suspicions of his sons.

This series delves into the lives and psyches of women who have committed irreparable acts. Each episode tells the story of a murderess who has made the headlines, and traces the thread of a tragedy that has left an indelible mark. Through these deeply moving stories, we revisit the places, times and social context that led to the tragedy.

About the infamous murder of six year old child beauty pageant contestant Jonbenet Ramsey and the hysterical media coverage that made the investigation even more difficult.

Being in love can make you feel like you're on top of the world. But what happens when that love turns cold as ice? These real-life stories of obsessions, affairs, and love triangles gone wrong show how even devoted lovers can become Cold Hearted.

To safeguard their streets, the New Orleans Police Department boasts a dedicated team of homicide detectives, many of whom are natives of the legendary city. “Homicide Squad New Orleans” chronicles the harrowing work of this committed group of men and women united against the odds to protect their city and home. In each episode, the team will be faced with a new case and tasked with putting together the evidence to catch the perpetrator, find answers for the victims loved ones, and keep their community safe.

Summer of 1975, five people die on a farm in Paradas, Seville. Two years later, Onofre returns to his hometown to investigate the event, which has caused great division among the neighbors. His investigation takes him to different environments and characters, among them the Marquis of Bahia. Always as a fiction, we will reveal how this crime was conceived.

A five part Sky Original documentary series that will look into the unsolved case of Sophie Toscan du Plantier who was brutally murdered in West Cork in 1996. Using original evidence, never-before-seen footage and interviews with those closest to the case, including Sophie’s family and key suspect Ian Bailey, the series aims to unravel the unsolved case that has haunted West Cork for decades.

The story of Melissa Reed, daughter of Keith Jesperson, aka the Happy Face Killer. After decades of no contact, Keith forces his way back into his daughter’s life, and Melissa must find out if an innocent man is going to be put to death for a crime her father committed. In the process, she must face a reckoning of her own identity.

Over a thirteen year period, a seemingly mild‐mannered male nurse, Malcolm Webster, set about poisoning and murdering his first wife, attempting to do the same to his second wife and moving on to a further scheme to deceive his third fiancée.

An insight into the first-hand accounts of dangerous criminal investigations from those closest to the action, the undercover agents, with surveillance video and audio recordings revealing the critical moments that could make or break a case — or an agent’s life. Living in secrecy and often unrecognized beyond their tightest circles, these agents rarely get to tell their stories… until now.

After a harrowing home invasion and kidnapping in 2015, a couple is accused of staging the ordeal when the woman reappears, haunting the couple with a new series of tortures.