Under Investigation

Millions in stolen cash. Missing luxury bourbon. Watch ordinary people almost get away with these extraordinary heists in this true crime series.

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.

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.

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

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.

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

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.

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

Drugs: A multi-billion-dollar industry that fuels crime and violence like no other substance on the planet. Turning cartel leaders into billionaires, the illegal drug industry also provides vital income to hundreds of thousands of poor workers across the globe. While some users sacrifice their lives to an addiction they can't escape, others find drugs to be their only saving grace from physical or emotional pain almost impossible to overcome. Where should the lines be drawn in this lucrative industry?

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

Detectives and prosecutors revisit their most challenging homicide cases in this chilling true-crime docuseries.

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.

Uncover the heart-wrenching true stories behind crimes that transcended headlines and became part of popular culture. Exclusive first hand interviews reveal shocking twists, new evidence, and unexpected resolutions.

Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.

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.

The investigators behind infamous serial killer cases reveal the harrowing, chilling details of their extraordinary efforts in this true crime series.

The fascinating cases of every day, seemingly average moms, wives and girlfriends accused of murder. Did they really do it? And if so, why?

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.

Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide in plain sight. Anyone can be a monster.

A revealing look at Sean 'Diddy' Combs' journey from music mogul to high-profile sexual offender, featuring footage and insider accounts that expose both his groundbreaking success with Bad Boy Entertainment and the troubling shadows behind his empire.