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Investigators piece together murder mysteries and seek insight into the victims' lives - and sometimes into their darkest secrets.

Actual crime scene video is paired with real home video to set up and unravel an intimate and emotionally powerful mystery.

Samuel Little may not be the first name that comes to mind when thinking of serial killers, but he is one of the most prolific and elusive of all...

In this episode of “Terror in Tennessee,” viewers will be taken on a gripping journey into the mysterious disappearance of a 20-year-old...

This true-crime series features individuals who share their heartfelt perspectives of loved ones who fell victim to horrific and senseless acts of...

A three-part documentary that focuses on the case of Tylee Ryan Vallow and JJ Vallow whose grandparents reported them missing and suspected their...

Documentary anthology of true crime stories. Partially actual photos and videos plus reenactments. Showing on the Investigation Discovery channel.

Investigation Discovery has made a home for award-winning investigative reporting from all three major broadcast networks. Joining CBS News' "48...

Lead by District Attorney Steven Wolfson, the Clark County DA’s Office is a diverse and dedicated group of prosecutors who rarely ever hear the...

The profiles of two condemned men in Oklahoma - Richard Glossip and Justin Sneed - and their two very different accounts of the murder of Barry Van...

Deep in the woods of New Hampshire, police find barrels with the remains of mutilated victims. The hunt for a serial killer stretches to California...

Operation Undercover is an adrenaline-fueled new series that takes viewers inside real-life, discreet operations run by police to keep communities...

BEFORE I DIE exposes the truth behind the individuals who had the strength and courage in their final moments to catch their own killer.

A three-part documentary series that recounts the notorious killer's crimes, the decades long investigation that captured him, and the effect his...

Cuff Me If You Can is an American documentary television series on Investigation Discovery that debuted on March 1, 2011. It is similar in format to...

When an attack happens, investigators must first consider motive. All too often, the true identity of a killer is masked by a twisted web of deceit...

Science teacher Ryland Grace wakes up on a spaceship light years from home with no recollection of who he is or how he got there. As his memory...

When a Category 5 hurricane decimates a coastal town, the storm surge brings devastation, chaos, and something far more frightening onto shore:...

Having thwarted Bowser's previous plot to marry Princess Peach, Mario and Luigi now face a fresh threat in Bowser Jr., who is determined to liberate...

Moments after surviving an all-out attack from the Le Domas family, Grace discovers she’s reached the next level of the nightmarish game...

Reef Hawk, Hollywood's poster child since age six, is not okay. When he learns about an extortion plot tied to a mysterious video, Reef preemptively...

When Diem's custodial grandparents adamantly refuse Kenna's attempts to see her daughter, Kenna discovers unexpected compassion, and then something...

In the wake of the devastating war against the RDA and the loss of their eldest son, Jake Sully and Neytiri face a new threat on Pandora: the Ash...

The young daughter of a journalist disappears into the desert without a trace—eight years later, the broken family is shocked when she is...