Nearly 41 years after a New York teen's murder, a surprising breakthrough brings new answers.

48 Hours

The Killing of Theresa Fusco

When a mother vanishes, her daughter is desperate for answers; decades later, a secret grave solves the mystery.

Kimberly Langwell's Hidden Grave

A burglary leads investigators down a dark path, ending with a poisoned sweet treat.

The Root Beer Float Murder

Denise Huskins Quinn and Aaron Quinn share how they worked with law enforcement to help uncover additional crimes committed by their attacker, helping to bring justice to other victims.

Denise and Aaron Quinn Get the Last Word

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

Decades after 16-year-old Molly Bish vanished, her sister turns to TikTok for answers.

Help Find Molly Bish's Killer

The murders of a beloved doctor, his wife and their young daughter leave their Santa Barbara, Calif., community reeling; a manhunt leads to the arrest of a suspect who prosecutors say is a conman.

The Han Family Murders

After her husband is found with a fatal injury at the foot of the stairs, a woman is accused of murder and fights to clear her name.

A Death in the Stairwell

Watch TV Networks, Shows and Movies | DIRECTV

The latest movies and must watch shows!

Watch Euphoria on HBO and 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 School Spirits and more all in one network.

Watch exclusive originals like sci-fi, horror FROM, Hollywood hit movies & more.

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 Outlander, Outlander: Blood of My Blood, Spartacus: House of Ashur, Power Book, BMF and much more.

S39 E9 | Help Find Molly Bish's Killer