Under Investigation

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.

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

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.

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

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?

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.

An in-depth, intimate character portrait exploring the life and career and mysterious circumstances surrounding the tragic death of 90’s actress and rising star, Brittany Murphy. The series goes beyond the conspiracy theories and headlines, featuring new interviews by those closest to Brittany and new archival footage.

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

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.

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

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.