Investigation Discovery HD

In the dead of winter, a 14-year-old girl vanishes without a trace on her way to school; investigators follow a trail of surveillance footage.

A quiet town is shaken to its core when an innocent woman is gunned down in broad daylight; detectives desperately act to find her killer and restore the peace.

After the shooting of a military veteran in his own home, detectives hunt a trail of CCTV across Kansas City to find his elusive killers; grainy footage reveals a connection between the hooded assailant and the driver of a silver BMW.

After the murder of 28-year-old Kiara Livingston, Aurora, Colo., police uncover inconsistent witness accounts, a mysterious lover named Trey, a buried truth that points to jealousy, deception, and a killer much closer than anyone expected.

Residents of a small New England town reel when someone abducts, murders, and dumps a beloved young teacher in an empty patch of woods. After years of false starts and dead ends, an intuitive decision exposes a monster hiding in plain sight.

After Ranger James Holland receives a phone call from the Pennsylvania State Police, he finds himself face-to-face with a witness who could be the key to solving one of the oldest cold case mysteries in the history of the state.

After the murder of 28-year-old Kiara Livingston, Aurora, Colo., police uncover inconsistent witness accounts, a mysterious lover named Trey, a buried truth that points to jealousy, deception, and a killer much closer than anyone expected.

Residents of a small New England town reel when someone abducts, murders, and dumps a beloved young teacher in an empty patch of woods. After years of false starts and dead ends, an intuitive decision exposes a monster hiding in plain sight.

After Ranger James Holland receives a phone call from the Pennsylvania State Police, he finds himself face-to-face with a witness who could be the key to solving one of the oldest cold case mysteries in the history of the state.

After the shooting of a military veteran in his own home, detectives hunt a trail of CCTV across Kansas City to find his elusive killers; grainy footage reveals a connection between the hooded assailant and the driver of a silver BMW.

When a co-worker finds 67-year-old Karen Navarra dead in a bloody scene at her San Jose, Calif., home, the seemingly contradictory physical evidence baffles police; they must turn to digital evidence to solve this mysterious case.

When two 13-year-old girls go missing, detectives immediately turn to their digital devices, discovering the girls have been talking to strange men online.

When a 26-year-old mother of two from Winona, Minn., goes missing, her distraught sister heads to TikTok to plead with the public to help find her.

In 2023, Angela Craig reports feeling sick and dies at the hospital; the autopsy reveals poison in her system and the police charge Jim with murder.

Heidi Firkus calls 911 after her husband claims an intruder is breaking into their Minnesota home; Heidi ends up dead, and the case remains cold for 10 long years until a new investigator takes a fresh look.

After the shooting of Sharon Causse in an apparent home invasion, detectives question who committed the crime: her handyman or her husband, Thomas Randolph; as police dig, they discover Sharon's murder wasn't the only death surrounding Randolph.

Thomas Randolph has a dark past: he's been married six times, and four of his wives are dead; the families of his late wives, and the wives that survived him paint a dark portrait of his history in the lead up to his trial.

Over eight years, the infamous Black Widower Thomas Randolph stands trial for the murder of his wife and her handyman; the victims' families are ready to see justice served, but a surprise ruling from the Nevada Supreme Court threatens everything.

The story of the DC Sniper and Mildred Muhammad; her testimony reveals it was part of a calculated plan rooted in manipulation, control, and domestic abuse driven by a single, dark obsession.

Jenn Holman fell hard for Jesse Winnick: magnetic, dangerous and impossible to leave; after months of violence, exploitation and narrow escapes, one chilling phone call reveals how close she comes to becoming his next victim.

When Aziza Murphy ends a relationship with a man she meets online, he launches a relentless stalking campaign that takes her job, safety and peace.

When Jason marries Andria, he believes her story of survival and struggle; as their marriage collapses, her web of lies grows - false accusations, fabricated abuse claims and a relentless campaign to destroy him, culminating in an armed home invasion.

From the outside looking in, Barbra and Michael Mastromarino's life seems perfect. But when a shocking discovery unearths a gruesome secret, this glamorous family must face the truth -- their life is built on a heinous lie.

Jeanne and Stephen Trantel have the dream life. But when Stephen loses his job after 9/11, their relationship splinters, and Jeanne suspects he is hiding a terrible secret - until an unexpected call reveals the shocking truth.

When Sarah Ripoli was just six years old, a terrible event tore her family apart. The discovery of secret writings from beyond the grave helps Sarah to finally understand the shocking truth of what went on between her mom and dad.

When a woman disappears in Florida, her friends uncover a hidden life filled with new relationships and secrets. As investigators follow the trail, suspicion shifts toward someone in her inner circle who may know more than they admit.

When an Auburn University graduate disappears, her tight-knit group of friends falls under suspicion; as investigators chase leads and rumors spread, distrust grows, until new evidence reveals a truth about someone close to her.

A teenager agrees to fix his friend's computer, then vanishes.

When an Auburn University graduate disappears, her tight-knit group of friends falls under suspicion; as investigators chase leads and rumors spread, distrust grows, until new evidence reveals a truth about someone close to her.

A teenager agrees to fix his friend's computer, then vanishes.

When a woman disappears in Florida, her friends uncover a hidden life filled with new relationships and secrets. As investigators follow the trail, suspicion shifts toward someone in her inner circle who may know more than they admit.

In Richmond, Va., a love triangle tears apart a group of gay girlfriends and leads to murder; investigating this senseless and sadistic killing, detectives uncover a plot fueled by lies, gossip and a thirst for revenge.

In Colorado, police check in on a married couple and discover a grisly double murder; worse, the couple's teenage grandson is nowhere to be found; investigators uncover a much more sinister plot than a robbery gone wrong.

A young mother is murdered inside her home, and her family hopes to help put her killer behind bars.

The police look to find the killer of an unidentified woman found bound, frozen and shot to death in the mountains of Utah.

Police must connect the crime scene evidence from two eerily similar murders to put one vicious killer where he belongs - behind bars.

A 7-year-old cheerleader vanishes at a small town in Kentucky's biggest youth football game of the year; when she's found murdered, panic takes over and every parent fears that the worst kind of predator is among them.

When a popular teenage dancer suddenly disappears one day after practice, police have few leads until one of the dance team members reveals that a man stalked her just days before her best friend's disappearance.

As coach Joe Paterno turns Penn State into a football powerhouse, a serial rapist from the team's ranks preys on multiple co-eds; when the justice system fails to put an end to his attacks, many wonder if Paterno's football machine protected him.

Mindy Morgenstern, a college student and waitress, is found strangled and stabbed in her own apartment; family, friends and the entire town of Valley City, N.D., help law enforcement identify the monster who committed this violent crime.

Bride-to-be Patricia Richmond is found bound and murdered at her future in-laws' home in the resort town of Steamboat Springs, Colo.

After locals smell charred meat, police find burned remains in an abandoned mining pit in the town of Hibbing, Minn.; before they can investigate who committed the crime, they must first identity the body.

Joy Dishneau plans on becoming a small business owner in the Ozarks, but she is found murdered in her own shop, and all of her employees become suspects.

After the murder of a rural Virginia couple and the disappearance of their adult son, detectives wonder who could have acted with such rage; when the son resurfaces, investigators come face to face with a true psychopath.

After the murder of a successful executive one night in Connecticut, her case goes cold; four years later, a troubled man appears, ready to confess; investigators uncover this was no ordinary murder and that he's an impulsive psychopath.

A young man's confession to participating in a plot to murder another teenager stuns police in a small Florida town; detectives uncover a plot involving a manipulative ex-girlfriend and a young psychopath with the desire to kill.

When a loving husband turns up murdered in his Loveland, Ohio home, the prime suspect is his troubled wife, who claims to have little recollection; detectives uncover her story is nothing but the manipulation of a vindictive person.

A road rage incident turns deadly as an elderly man is beaten to death by a teenager who claims he was acting in self-defense; detectives not only find holes in his story but uncover that he is a remorseless and manipulative psychopath.

Terror rocks an Ohio town when a mother, her two kids and a close friend vanish; investigators track down the prime suspect and uncover a house of horrors; detectives find themselves dealing with a psychopath with a bizarre obsession.

Police catch a break on three cold case murders when emerging DNA technology makes a stunning match, a 73-year-old man who's been in prison since 1993; detectives interrogate the frail man whose harmless façade is hiding a murderous psychopath.

A teenage couple goes on the run after an attack on the boy's sister; a search leads officers to the girl's grandparents' home, where they find the bodies of the elderly couple and uncover a fantasy killing concocted by the psychopathic lovers.

When detectives find an elderly woman dead after someone stuffs her in her own closet, they know they are not dealing with a normal killer. Instead, they discover the culprit is a troubled teenager with a fantasy to rape and kill.

When officers arrive at a suburban home regarding a felonious assault, they find a bloodied and lifeless woman in her minivan. Detectives later interview her estranged husband, revealing a rage-filled psychopath with a revenge fantasy inspired by a movie.

In 1990, someone is stalking men on Florida's highways; clues lead detectives to a realization: the serial killer is a woman; in a risky operation, an undercover officer tracks her down to a bar.

Working with her ex-girlfriend, detectives set a secret trap for Wuornos.

Wuornos risks her life by telling the jury her story, in her own words.

In 1990, someone is stalking men on Florida's highways; clues lead detectives to a realization: the serial killer is a woman; in a risky operation, an undercover officer tracks her down to a bar.