Inside the FBI: New York

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

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.

From crippling payday loans to cars that cheat emissions tests, this investigative series exposes brazen acts of corporate greed and corruption.

Crime journalist Raphael Rowe goes behind the bars of some of the world’s most notorious and toughest prisons. Immersing himself in maximum security facilities around the world to live as a prisoner, he encounters the inmates locked up for their crimes and meets the men and women on the right side of law tasked with keeping the criminals behind bars.

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

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.

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.

Archive footage, chilling reenactments and exclusive interviews shed new light on a tragedy — and two brothers — that suspended a city in terror.

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

Insider accounts and never-seen-before footage tell the story of the 7/7 bombings on London's transport network in 2005 — and its explosive aftermath.

This true crime series shows how innocent people have been convicted with dubious forensic techniques and tools such as touch DNA and cadaver dogs