Most Viewed From Investigation Discovery

Unmasked follows murder cases committed by killers hiding behind hideous masks. From a demented clown, to a Big Bad Wolf, find out who is behind the...

Detective Sergeant Jason Moran is the one-man cold case unit for the Sheriff's Department of Cook County, Illinois. He's solved countless cases over...

Gripping clips of kidnappings, break-ins, wild car chases and other crimes rack up millions of views, but the stories behind these crimes are often...

Audio evidence helps police solve real-life homicides. From random killings and revenge hits, to America's most depraved serial killers, detectives...

It’s an epic landscape where Wild West traditions of vengeance and lawlessness live on. When murders occur, investigators sometimes need old...

Lurking behind every murder is the truth. But what if the people involved in the case disagree on what the truth is and what really happened? We have...

The death of Susan Winters, living in Las Vegas, is ruled by authorities to be a suicide. But strange details of her demise, including her ingestion...

Stories of real people who face the surreal horror of losing loved ones to vicious crimes. With every tick of the clock, detectives work to seek...

Presented by Rav Wilding, the show commemorates brave police officers murdered in the line of duty. The series tells the stories of the most...

Conspiracy Files is a 2006 Discovery Times documentary 4-part television series about conspiracy theories.

They seem like the perfect person until one night something horrible happens and they are accused of murder. What are the lies? What is the truth?...

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

Privilege and wealth can have a seedy side when greed and entitlement warp morality. Guilty Rich profiles renown individuals from the world of...

A shootout on a city street, a hostage crisis, and a gun battle in a tiny apartment...three brave officers face these harrowing life or death...

A female police chief in the Upper Peninsula of Michigan goes against all odds to uncover what happened on the night Chris Regan went missing and...

An investigation into multiple allegations of sexual assault and sex trafficking brought against the fashion mogul.