The Most Dangerous Animal of All

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

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

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.

Dash cams capture footage from urban and rural police forces while on the job. A live look inside the everyday calls of police officers across the nation.

In this true-crime docuseries, a family searching for answers shares clues and eye-opening testimonies about the prime suspect in the Zodiac murders.

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.

The true stories of people who lived with a killer. How well do you really know your family? Would you recognize the warning signs? Or would you become entangled in evil?

There are over 100,000 cold cases in America, and only about 1% are ever solved. With recent advancements in technology and the methods used to solve these cases, as well as the unwavering dedication of victims’ families, law enforcement and the public, “Cold Case Files” explores the cases that defied the odds. Each episode of the Emmy-nominated series examines the twists and turns of one murder case that remained unsolved for years, and the critical element that heated it up, leading to the evidence that finally solved it. Featuring interviews with family members, friends, detectives, and others close to the cases, the refreshed classic series examines all facets of the crime and shines a light on a range of voices and victims.

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

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.

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

A 360-degree view of the trafficking world from the point-of-view of the traffickers, law enforcement agents and those caught in the crossfire with access only National Geographic can provide.