Investigation Discovery continues its heritage of providing in-depth, compelling documentaries & series that challenge viewers to think about key issues that shape our culture and define our world.

Investigation Discovery HD

Investigation Discovery

A happy face is supposed to be a joyful symbol, unless it's on a letter from a killer.

Very Scary People

The Happy Face Killer

Host Donnie Wahlberg delves into the notorious crimes of Keith Hunter Jesperson, a serial killer in the 1990s, who drew smiley faces on his confession letters to local authorities.

The cops wonder if a series of deaths means a black widow is spinning her web.

The Black Widow

The only thing scarier than a serial killer is one hiding in plain sight.

The Times Square Killer

Watch TV Networks, Shows and Movies | DIRECTV

The latest movies and must watch shows!

Watch It Welcome to Derry on the HBO Max app, included with an HBO Max subscription.

Data/messaging rates may apply for app download/usage. HBO Max subscription required.

Welcome to your ultimate entertainment destination. Watch new episodes of Jeremy Renner in the new season of Mayor of Kingstown and more all in one network.

Watch exclusive originals like the adventure drama Robin Hood and Hollywood hit movies.

MGM+ is a trademark of Metro-Goldwyn-Mayer Lion Corp. All copyrights, trademarks, and other intellectual property or proprietary rights are the property of their respective owners.

Watch visionary original series like Spartacus: House of Ashur, Power Book IV: Force, Outlander: Blood of My Blood, BMF and much more.

Watch Hollywood hits like Civil War and behind-the-scenes exclusives when you add CINEMAX to your current DIRECTV package.

Host Donnie Wahlberg chronicles the twisted lives of diabolical criminals, such as Charles Manson, Aileen Wuornos, John Wayne Gacy, the Rev. Jim Jones, and others.

S5 E7 | The Times Square Killer