TV Schedule for Investigation Discovery USA - Mountain

Cold Case The Letter

New evidence leads Rush and Valens to reopen the case of a murdered woman who was assumed to be a prostitute in 1939.

Cold Case Boy in the Box

The team reopens the murder case of a 6-year-old orphan and discovers that his parents' true identity may be what is needed to crack the case.

Cold Case Disco Inferno

The discovery of a bullet-riddled body leads to an investigation into the 1970s world of disco, cocaine and sex.

Deadly Influence: The Social Media Murders Control, Alt, Delete

A vibrant and inspiring group from Denver's creative community spreads messages of love and inclusion, attracting many online followers; soon they become the target of a hateful and violent member of the online manosphere with shocking consequences.

Deadly Influence: The Social Media Murders RIP Bianca

Anime-obsessed teenager Bianca becomes an inspiring mental health advocate online and changes lives; but on forums and social media accounts, she discovers a horrifying and violent underbelly: young men primed to threaten, harm and attack.

Deadly Influence: The Social Media Murders Hashtag Halloween Horror

Stephanie is a feisty, loveable young woman from New Jersey, who is building a brand as a bespoke makeup and SFX artist online; but offline, her life becomes complicated and spirals into mystery when she vanishes into thin air on Halloween Eve.

Deadly Women Kill the Competition

Mary Jane Fonder becomes obsessed with the new priest at her church; Wanda Stopa falls for a married man and hurts the person he loves most; after a breakup, Sabrina Koudier becomes convinced her children's nanny is a spy for her ex-boyfriend.

Deadly Women Killer Cougars

Accused murderer Dr. Shirley Turner has a history of affairs with younger men; Gina Spann's need for attention takes a deadly turn.

Deadly Women Kiss Then Kill

When love goes wrong, it is a dangerous game for women who kiss, then kill.

Deadly Women Bad to the Bone

A warped young woman celebrates her husband's birthday with a thrill kill; a newlywed reveals her violent side; a young woman seeks revenge after her lover is convicted of a crime.

Married to Evil What Lies Beneath

When Heidi's alcoholic husband, Chris, goes missing, she searches far and wide to find him, getting help from Chris' wider family; after a missing person's report is filed, police uncover a dark secret hidden in the basement of the marital home.

Married to Evil What Lies Beneath

Amanda Perrault's dream move to a lake house with her husband and his young daughter turns into a nightmare; a campaign of abuse and terrifying home invasions lead to murder; a sheriff must outwit a calculating killer and bring justice.

Married to Evil Control Freak to Killer

When Olivia marries Christopher Jones, a correctional officer, he runs his home like a prison; on Feb. 14, a day made for love turns into a day of horror, and a home security system helps detectives realize all is not what it seems.

Married to Evil A Deadly Dose

Maria's world shatters when her husband Joel, starts an affair; she fights to save their marriage, but Joel refuses to give up his mistress, and Maria's patience runs out; when she threatens divorce, Joel makes a deadly plan to stop her.

People Magazine Investigates Flight Risk

In the mountains of Colorado on Thanksgiving Day 2018, a young pilot goes missing without a trace, leaving behind her baby; police follow the few clues they have and unravel a story far more bizarre and horrifying than anyone could have imagined.

The Playboy Murders The Centerfold and the Serial Killer New

Kerissa Fare is thrilled to be September 2000's Playmate of the Month; just as the magazine is about to hit newsstands, a mysterious man from her past becomes a suspect in multiple murders, and investigators want to talk to her.

Toxic The Depraved Heart New

Elizabeth meets with the Harris family to investigate the tragic loss of their beloved daughter, and sister, Sarah; what was supposed to be a routine dental visit for Sarah turned into a toxic and dangerous relationship with a well-respected surgeon.

The Curious Case of... The Girl Who Died Twice

In 1981, thirteen-year-old Mary Day vanishes and Investigators suspect her stepfather may have killed her, but they never recover her body; decades later, a woman claiming to be Mary appears, stirring suspicions on what happened.

The Playboy Murders The Centerfold and the Serial Killer

Kerissa Fare is thrilled to be September 2000's Playmate of the Month; just as the magazine is about to hit newsstands, a mysterious man from her past becomes a suspect in multiple murders, and investigators want to talk to her.

Toxic The Depraved Heart

Elizabeth meets with the Harris family to investigate the tragic loss of their beloved daughter, and sister, Sarah; what was supposed to be a routine dental visit for Sarah turned into a toxic and dangerous relationship with a well-respected surgeon.

The Curious Case of... The Girl Who Died Twice

In 1981, thirteen-year-old Mary Day vanishes and Investigators suspect her stepfather may have killed her, but they never recover her body; decades later, a woman claiming to be Mary appears, stirring suspicions on what happened.

People Magazine Investigates Mother's Orders

A mother's bond to her daughter is put to the ultimate test when one of them shoots a man dead.

The 1990s: The Deadliest Decade Dangerous Minds

Jonathan Levin, a popular teacher at a Bronx, N.Y., high school, is found dead in his apartment; police discover he's the son of a wealthy executive, setting off an explosion of rumors in the press and a massive manhunt for Levin's killer.

The 1990s: The Deadliest Decade Roid Rage

A young millionaire couple goes missing from their estate, and their Lamborghini turns up in the Everglades; detectives worry they are the latest victims of a gang of brutal bodybuilders who target Miami entrepreneurs and bleed them dry.