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

A series of non-fiction investigations that explore such themes as jealousy, murder and deceit.

48 Hours on ID

The Detectives Wife

After the murder of a celebrity hairstylist, investigators look to his wife and ask if her alleged affair with her racquetball coach could be a motive for murder.

The Monica Sementilli Affair

The roommate of murdered Hollywood family therapist Amie Harwick shares his story for the first time about how he tried to save her the night of her death.

Justice for Aime Harwick

Investigation Discovery HD

Intruders shoot wealthy jeweler Ted Shaughnessy at his home in Austin, Texas; investigators wonder if it was a random attack or a robbery gone wrong; as they dig deeper, police suspect it wasn't a stranger killing at all.

Shootout at the Shaughnessys

After a California family man vanishes into thin air, a high-speed police chase uncovers a lead that suggests he was abducted and murdered in a monstrous plot for revenge.

Who Took Our Dad: The Abduction of Ray Wright

Watch TV Networks, Shows and Movies | DIRECTV

The latest movies and must watch shows!

Watch Peacemaker exclusively 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 and the Dexter Universe. Watch new episodes of Dexter Resurrection and more all in one network.

Watch exclusive originals like the new psychological thriller The Institute 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 <b>BMF Season 4, Outlander, Power Book III: Raising Kanan,</b> and much more.

Buckle up for Hollywood hits like Barbie and behind-the-scenes exclusives when you add CINEMAX to your current DIRECTV package. 

S20 E18 | The Monica Sementilli Affair