TV Schedule for Investigation Discovery USA - Mountain

People Magazine Investigates The Times Square Killer

In the '60s and '70s, a serial killer stalks young women in New Jersey; at the same time, three women in New York City are sadistically murdered; no one expects that one man is causing the mayhem, let alone a seemingly ordinary father of three.

People Magazine Investigates Groene Family Massacre

A savage killer goes on a homicidal rampage and then abducts two young siblings from their home in the middle of the night; the children quickly decide they will do whatever is necessary to survive.

The Murder Tapes Blunt Force Trauma

A woman of faith, Susan Hernandez, is the last person police would expect to find murdered in her basement; searching for suspects, detectives turn over every stone in the hunt for Susan's killer, with a result that shakes the town to its core.

The Murder Tapes The Body in the Truck

In Jonesboro, Ark., authorities investigate the death of Steven McQuay after his badly beaten body turns up in the back of a pickup truck; when the results of the victim's toxicology report arrive, the entire investigation plunges into a tailspin.

The Murder Tapes Who Killed the Landlord?

After a man calls 911 to report being stabbed and a house on fire, police find Ron Whiles shot and burned in his home in Lafayette, Ind.; with one victim dead and one clinging to life, detectives question multiple suspects, which leads to one name.

The Devil Speaks Dead Man Talking

Father of two John Riebe is found dead from bullet wounds on the floor of his home in Toledo, Ohio; the investigation quickly turns on those closest to Riebe, and a series of phone calls and voice mails prove key in uncovering a shocking betrayal.

The Devil Speaks Lake of Lies

Investigators must cast a wide net for clues after Sharon Garrison's family reports her missing; there's evidence to suggest she has skipped town, but secret cassette tapes soon point to something far more sinister.

The Devil Speaks Evil in South Texas

Billy Staton and his fiancée, Leticia Castro, vanish without a trace; then, the discovery of Billy's burnt-out car and a shocking confession reveal a web of lies which can only be shredded by a secret recording.

The Devil Speaks No Mercy

After Joe Morrissey is brutally killed in an apparent home invasion, detectives come to believe that the attack was personal and focus on Joe's wife, Kay.

See No Evil Body Heat

Choir director Kathy Blair's son discovers her murdered at home; detectives find camera footage containing a shadowy figure that might just be their killer; the murder of a couple nearby sparks fears this might be the work of a serial killer.

See No Evil The Kansas Pawnshop

Real crimes and cases are solved using footage from surrounding surveillance cameras; while footage usually consists of honest citizens going about their routines, it can also be used to catch the right culprit.

911: Did the Killer Call Fooled by Murder

A wife wakes to find her husband dead outside in the snow, she calls 911; when the police discover a volatile history, suspicions are aroused; a man calls police after both his parents are shot dead in their home.

Signs of a Psychopath I'm Already Seeing Red

Police engage in a massive manhunt to find a killer on a murder spree of revenge, taking the lives of his girlfriend, cousin, and a man he considers a father figure; once captured, he proclaims that he simply wants to be heard.

Signs of a Psychopath Just Don't Want to Go to Jail

Authorities grow concerned when a 25-year-old woman reports her 50-year-old father and 6-year-old daughter are missing; police discover their dead bodies and uncover the truth: she is a psychotic killer.

See No Evil The Kansas Pawnshop

Real crimes and cases are solved using footage from surrounding surveillance cameras; while footage usually consists of honest citizens going about their routines, it can also be used to catch the right culprit.

911: Did the Killer Call Fooled by Murder

A wife wakes to find her husband dead outside in the snow, she calls 911; when the police discover a volatile history, suspicions are aroused; a man calls police after both his parents are shot dead in their home.

Signs of a Psychopath I'm Already Seeing Red

Police engage in a massive manhunt to find a killer on a murder spree of revenge, taking the lives of his girlfriend, cousin, and a man he considers a father figure; once captured, he proclaims that he simply wants to be heard.

Signs of a Psychopath Just Don't Want to Go to Jail

Authorities grow concerned when a 25-year-old woman reports her 50-year-old father and 6-year-old daughter are missing; police discover their dead bodies and uncover the truth: she is a psychotic killer.

See No Evil Body Heat

Choir director Kathy Blair's son discovers her murdered at home; detectives find camera footage containing a shadowy figure that might just be their killer; the murder of a couple nearby sparks fears this might be the work of a serial killer.

Murder in the Heartland Marriage into Mayhem

After a cattle rancher turns up dead in his trailer home, the minuscule town of Driscoll, North Dakota, points fingers at everyone in the small population. Left with little evidence, it takes over a decade to hone in on his executioner.

Murder in the Heartland Invitation to Be Killed

Locals stay quiet to protect their own when a new resident of Hartford, Ky., is found tied up and floating in a toolbox in a creek.

American Monster If Only He Had a Heart

Tina Swor and partner John Dalton start a new life in Spirit Lake, Idaho; John's erratic behavior and love of guns plague the couple's fresh start; when Tina's best friend doesn't see her for days, she decides to call the cops.

American Monster Cabin Fever

Molly McAfee and her partner, Adam Buchanan, cherish weekends at their cabin in the woods with all the family, but someone has plans to burn everything down to take what they want.

American Monster I Had No Choice

For years, Bill, Stephanie, and their three kids hide their torment while struggling to keep up appearances; the façade shatters for good when someone starts swinging a pickaxe.