Investigation Discovery HD

An unknown assailant strangles overnight desk clerk Mary Klatt during her shift; the town of Blue Earth, Minn., struggles with the harsh reality that someone would want to harm Mary.

A roommate reports 22-year-old Liz Syperda missing, shocking the community of Mount Pleasant, Iowa; some wonder if Liz merely left town without telling anyone, but family and friends know something far more disastrous occurred.

Emmett, Idaho, a cowboy town where a person's word is everything, is shaken forever when a murderer beats a local saddle maker to death; investigators and locals band together and uncover layers of betrayal and deceit.

Family and friends are concerned when Phillip Brewer and Jody Fortuna go missing from Gillette, Wyo.; eventually, the horrifying truth comes to light.

Tourist town Traverse City, Mich., is turned upside down when 18-year-old Kalee Bruce is bludgeoned to death at her workplace.

A woman vanishes from her home in the neighborhood of Belle Center, Mo., without a trace; hoping to find Anita Dunn before it's too late, the community aids investigators in an exhaustive search.

A young woman is found shot in her car on the side of a road with her ex-boyfriend bloodied and disoriented nearby; the boyfriend claims he can't remember what happened.

A woman survives a home invasion perpetrated by a masked intruder who disguised his voice to sound like Batman.

A woman is found dead in her burning Illinois home in 2020, but it is not clear if the fire is what killed her.

The disappearance of 23-year-old Montana mom Jermain Charlo.

After Andrea Yates' horrifying act, her dark preoccupation emerges - a secretive cult, twisted teachings, and followers drawn into a growing web of control.

Woroniecki seemingly traps his followers in an isolation cocoon. His teachings appear to twist salvation into submission - until Andrea Yates commits a horrific act that stuns a nation.

Andrea Yates faces two trials in the aftermath of the drownings, exposing the preacher's lingering influence. As Woroniecki deflects blame onto Rusty, a juror quietly reveals that his teachings shaped the verdict, raising questions of accountability.

Little sister Heather terrorizes her siblings, David and Crystal from a young age; everyone hopes she'll change when she becomes a mom, but she only gets worse; after Heather meets Kareem, she becomes a monster.

After Andrea Yates' horrifying act, her dark preoccupation emerges - a secretive cult, twisted teachings, and followers drawn into a growing web of control.

Woroniecki seemingly traps his followers in an isolation cocoon. His teachings appear to twist salvation into submission - until Andrea Yates commits a horrific act that stuns a nation.

Andrea Yates faces two trials in the aftermath of the drownings, exposing the preacher's lingering influence. As Woroniecki deflects blame onto Rusty, a juror quietly reveals that his teachings shaped the verdict, raising questions of accountability.

Little sister Heather terrorizes her siblings, David and Crystal from a young age; everyone hopes she'll change when she becomes a mom, but she only gets worse; after Heather meets Kareem, she becomes a monster.

In 2014, a severed human leg draws attention to The Work, an apocalyptic cult; known as the Sinful Messiah, Julius Shacknow commands total devotion and terrible sacrifice, called "the special work," as the only way to achieve eternal salvation.

In the late 1960s, Charles Manson entices dozens of young women to live with him in a California desert commune; Manson orders his followers to commit a string of gruesome murders that still haunt the national psyche.

In Alaska, the abduction and murder of an 11-year-old girl causes townspeople to fear they're being preyed upon by an evil outsider until investigators unmask a killer closer to home.

In pursuit of a serial killer, Colorado police are horrified when a pager found in the snow near a victim's vehicle points to a suspect who has sworn to protect and serve.

A family vanishes in the dead of winter, and Nebraska police must determine whether the family has decided to leave town or fallen victim to foul play; a daughter's search helps investigators uncover a sinister plot fueled by revenge and greed.

Police are called to the scene of a traffic accident in West Chester, Pa. where 18 year-old Bianca Roberson is found dead at the wheel of her car; an autopsy reveals a sinister crime.

Roommates prepare to say goodbye, but they don't know it will be forever.

In Tacoma, Wash., businessman Larry Howse is killed in the parking garage of his apartment building; detectives turn to a security camera, which reveals the unfolding of an execution by two mystery assailants.

In Danville, Ky., a pawn store robbery leaves three people dead; detectives seek to identify the suspect, and their only lead is a mysterious silver van; using a trail of videos to pursue the elusive vehicle is their only hope of catching a killer.

In Tulsa, Okla., Amanda Douglas and Jennifer Sudar Sanders enjoy an evening out at a casino; the next morning, the two are shot outside their apartment complex; investigators soon learn that the shooter was driving a distinctive gold Pontiac.

In Calgary, Alberta, Ryan Lane receives a late-night phone call and goes out to meet a mystery caller and is never heard from again; Calgary Police Service turn to surveillance video to locate Ryan and find evidence of a shocking betrayal.

In Buena Park, Calif., a suitcase containing the body of a young woman is discovered in a dumpster; the victim is identified as model Jasmine Fiore, 28, who has been reported missing by her reality TV star husband.

The brutal murder of a young basketball player in a drive-by shooting leaves detectives with few clues about the killer, but forensic evidence could be the key to charging a suspect.

A brutal murder rocks a close-knit trailer park community in Kansas City, Kan.; with a 19-year-old female on the run, detectives begin to suspect that a family fight may have taken a deadly turn.

KCKPD's Narcotics Squad ensnares a low-level drug-dealing couple; to help stop the flow of meth into Kansas City, they try to flip a local drug kingpin and go all the way to the top of the drugs supply chain.

A 30-year-old gay man is shot dead on a busy street; the victim's family believes his mysterious new boyfriend may be responsible for the killing.

Detectives rush to a Kansas City bar after a mass shooting leaves the entire country reeling; with suspects on the run and chilling footage emerging, investigators race to uncover the truth before more blood is shed.

Body cameras capture the life-or-death decisions made by police officers, from domestic disputes to traffic stops gone dangerously awry.

Police search for answers on who shot three men after a car crash.

In Kinston, N.C., a woman finds Jack Davis in his home with a head wound; Surveillance footage from Jack's house and a nearby neighbor's leads detectives on the hunt for his violent attackers.

Body cameras capture the life-or-death decisions made by police officers, from domestic disputes to traffic stops gone dangerously awry.

Police search for answers on who shot three men after a car crash.

In Kinston, N.C., a woman finds Jack Davis in his home with a head wound; Surveillance footage from Jack's house and a nearby neighbor's leads detectives on the hunt for his violent attackers.

Detectives rush to a Kansas City bar after a mass shooting leaves the entire country reeling; with suspects on the run and chilling footage emerging, investigators race to uncover the truth before more blood is shed.

In Arlington, Texas, Michael Humphreys and Sandra Walton are brutally gunned down; when detectives discover recordings of phone conversations with one of the victims, they get the break they need.

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.

A terrified neighbor calls 911 after witnessing a young mother being gunned down in her driveway; police work to uncover a complex conspiracy that ripped the loving mother from her three children, just to keep dark secrets hidden.

After a doctor is shot at his ranch during a chaotic assault, investigators follow a trail of vehicles, surveillance footage and telephone records to discover a plan hatched by a band of brothers.

A panicked woman calls 911 to say a stranger forced his way into her home and shot her boyfriend in front of their children; detectives untangle a twisted web of jealousy to find out who killed this young father and why.

A man finds his wife with a cord around her neck and makes a heartbreaking 911 call, pleading for someone to save his beloved; then this story of love and loss is complicated by a missing phone, crime scene clues and a mystery man.

In Alabama, teenager Haley craves her independence, but her protective mother, Teresa, worries about the company she's keeping; Teresa convinces Haley to end a toxic relationship with a young man, but he won't let go until he gets what he wants.

Seventeen-year old Katie lives with her doting parents, who are shocked to find out she's being stalked by an ex-boyfriend they didn't know existed; one night, Katie's parents reluctantly agree to leave her home alone with appalling consequences.

Living with her mother, sister and grandmother, Catherine dumps her drug-using boyfriend, Shane, who breaks into her home and takes everyone hostage; Catherine hides behind a shower curtain for five hours not knowing how the deadlock will end.

A married man embarks on a forbidden relationship with his 14-year-old babysitter, then his wife finds out, and he will stop at nothing to keep his affair secret from the police.

Forbidden to date, a teenage girl falls hard for an older man and runs away from home to be with him; before long, young love turns into a fatal obsession.

A Christian woman's faith is tested when she falls in love with a charming new female coworker; as the lovers fight for their love in a community that doesn't want them, the pressure proves to be too much, and the consequences are deadly.

In rural Missouri, police receive a haunting call from a 50-year-old man claiming he shot three people inside his home. Detectives uncover that this impulsive massacre has a motive and that the killer is a psychopath obsessed with control.

Operators receive a call from a teenager claiming he stabbed his parents to death; unsure if the call is a Halloween prank, police race to the scene and discover it is no hoax and that the caller is a psychopath.

A teenager is arrested after his mother finds the body parts of a missing drifter in his bedroom; while in custody, police uncover that the suspect is a psychopath who idolizes serial killers.

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.

After meeting with her divorce attorney and estranged husband, a devoted mother of three vanishes into air; as friends and family desperately try to locate her, the husband instead plays a psychopathic game of cat and mouse with investigators.

A mother awakes to find her two sons with their throats cut; their aunt's boyfriend confesses to his mother, and she wears a wire to capture her son; as he admits his guilt, it's clear how a psychopathic rage led to violence.

A concerned mother reports her 24-year-old son missing, as he fell under the spell of a 47-year-old widowed woman; detectives soon realize she's a sexual psychopath who has claimed the lives of more than one admirer.

Victoria and Christine Lisowski live in fear of their mother, Sungnam Kwon-Lisowski; they never imagine that this Christmas, they'll feel lucky to survive the holiday and their mother's crazed vengeance.

Teresa Holman spends much of her childhood wishing her father, Freddie Bowen, would die for the things he does to his family, but when presented with a chance to get her wish, the choice she makes has unforeseen consequences and leads to tragedy.

Elishaba always believed that her father wielded the power of God and that the only way to salvation was through suffering.

William Cosden Jr. coerced his much younger sisters, Karen and Susan, into keeping secrets about what he did; now the girls are adults, and with one facing death, they reunite to try to repair the trauma keeping those secrets caused them.

Teresa Holman spends much of her childhood wishing her father, Freddie Bowen, would die for the things he does to his family, but when presented with a chance to get her wish, the choice she makes has unforeseen consequences and leads to tragedy.