Investigation Discovery HD

In the fall of 2003 in Hammond, Indiana, a string of disappearances leads detectives to a seemingly ordinary trophy shop worker, and a horrific discovery in his basement reveals him to be a sadistic serial killer who has been preying on the town's teens.

A murder victim's lost dog becomes the key clue in solving her murder.

A robbery turns into an abduction; surveillance leads the law to a suspect who won't give up the victim's location; Holland works the suspect for hours, racing to find her before time runs out.

In a home in downtown Baltimore, a man finds 24-year-old father and youth worker Dion Smith executed with a shotgun. The other residents are cagey, but a suspicious visitor is singled out thanks to telling CCTV outside the victim's door.

An ax-wielding man taunts a motorist; protesters disrupt a highway, causing motorists to lose it; a nuisance relentlessly brake-checks another driver, almost causing multiple accidents; two raging drivers have a roadside showdown.

An angry driver chases after another car; a disgruntled neighbor takes things too far; a brazen gunman threatens another driver; a biker hangs on for dear life.

A man points a gun at a young woman after she allegedly cuts him off; a fender-bender leads to a knockout; kids are at risk when their parents take things too far on the road; some international tourists witness a roadside brawl.

A motorcycle group ride becomes dangerous; a light collision leads to a confrontation with a knife-wielding man; semi-truck drivers come face-to-face with road-raging motorists; a man is pursued and challenged by an overly aggressive driver.

After spending nearly 34 years behind bars for gunning down their parents in 1989, Lyle and Erik Menendez await a judge's decision on whether new evidence can support their claim that they killed in self-defense.

Police found Tom Merriman's body in his driveway under a pile of trash and arrested his stepdaughter, Jade Janks; she claims she found him dead in her car, panicked and hid the body but didn't kill him.

A woman convicted of murdering her husband discovers problems with evidence used against her at trial after nearly two decades in prison.

Sean Combs' rise to power is meteoric, transforming American culture; his empire seems untouchable, but a reexamination of the music mogul's early rise reveals signs of trouble.

Reaching beyond music, Diddy's business empire seems untouchable; his alleged mistreatment of women and serial arrests avoid public scrutiny; in 2001, Combs faced his most perilous test when he stood trial on felony charges after a shooting.

Combs changes his name and rises on Broadway and reality TV, reaching billionaire status; people allege mistreatment behind his empire including body-shaming, physical abuse and sexual assault.

Sean Combs changes his name to P. Diddy and rises to billionaire status; behind his empire, people have come forward with dark allegations.

Exploring the singer's years of alleged offstage aggression, including intimate-partner violence, assault charges and even sexual assault allegations.

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 missing grocery clerk, 20-year-old Christina Ross, puts the town of Neenah, Wis., in a panic after a gruesome discovery; an unlikely resident comes forward with information that leads detectives to the people in her tangled love life.

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.

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.

A woman working for a plant in Camden, Ark., goes missing; when a local stumbles upon Ruiz Stone's abandoned van, her family fears the worst, and some speculate Ruiz fled town with a lover, but detectives reveal something far more sinister.

The community of Kankakee, Ill., comes together to aid police in uncovering the vile killer in the shooting death of an up-and-coming model, Sarah Washington.

On New Year's Eve, Tara Gillon's father finds her murdered in her Massachusetts home; one missing shoe -- the right fit could catch a killer.

When a hunter discovers bones in the Pennsylvania woods, it looks like a bear attack; a chilling confession exposes something far more savage - a violent betrayal by those closest to him.

Three friends arrive for a haircut - only to find their barber dead, his body sprinkled with a mysterious white powder; as police dig in, one clue stands out: he'd just come into money; was it a robbery - or a betrayal by someone he never saw coming?

When a hunter discovers bones in the Pennsylvania woods, it looks like a bear attack; a chilling confession exposes something far more savage - a violent betrayal by those closest to him.

Three friends arrive for a haircut - only to find their barber dead, his body sprinkled with a mysterious white powder; as police dig in, one clue stands out: he'd just come into money; was it a robbery - or a betrayal by someone he never saw coming?

On New Year's Eve, Tara Gillon's father finds her murdered in her Massachusetts home; one missing shoe -- the right fit could catch a killer.

Police are puzzled by a pair of murders linked by a mysterious note, not realizing the killer has a target in mind.

In Billings, Mont., firefighters respond to a fire at a duplex and find two bound and gagged bodies; the victims' house mate is nowhere to be found, prompting police to question whether they're searching for the killer or another victim.

After the murder of a young girl walking to school, police race to catch her killer before he can destroy another loving family.

A puzzling crime scene, disturbing evidence and a young mother murdered; police are determined to bring her killer to justice.

As police try to solve a disturbing homicide, each step of the investigation reveals another layer in a spiderweb of tragedy.

When pregnant Colorado mom, Shanann Watts and her two daughters vanish without a trace, her husband Chris pleads for his family's safe return. But as the investigation digs deeper, dark secrets are revealed and Chris transforms from family man to monster.

When clues at Jennifer Dulos's New Canaan, Conn., home prompt police to search for the missing mother, her estranged husband's behavior deepens the mystery; a complex web of evidence secures arrests, but what happens next shocks the nation.

A gunman shoots a man dead as he runs along a country road, and first responders find a witness standing next to the body with a strange story to tell; detectives unravel the lies of a callous psychopath who takes out his frustrations in bloodshed.

A woman finds her elderly brother dead in his bedroom with his throat slashed; uncovering the truth poses a challenge for detectives, as the individual responsible for killing him is a manipulative psychopath who craftily deflects blame.

Police find a 17-year-old female's dead body in a ditch with two gunshot wounds; the investigation centers on two friends of the victim claiming her death was an accident, but detectives uncover it was a thrill kill carried out by evil psychopaths.

Investigators search a farm for a missing man and find a human leg bone on the property; the owner, Susan Monica, admits that her pigs ate her tenant alive, and he's not the only victim; Monica despises humans but loves her pigs.

Behind a church lies a dismembered body burned beyond recognition; investigators identify the victim and receive a tip the suspect is female; a police interview reveals her as the most remorseless psychopathic killer they've ever seen.

A man calls 911 with his dying breath, and first responders arrive to find him brutally murdered and stabbed 59 times; when detectives question his best friend, they uncover a tangled story of deception and jealousy that ends in psychopathic rage.

Ainjil thinks William was charming and creative, but with time, his dark and violent tendencies emerge; when Ainjil finally gets away from him and starts a new life with a man she truly loves, he exacts revenge.

Ginger knows her sister Paige is trouble, as she feels entitled to her family's undivided attention and becomes a monster when she doesn't get it; over time, Ginger watches as Paige abuses and ultimately murders the person she cares for the most.

Margie Bult sees a fugitive on TV named Paul Steven Mack who resembles her second husband.

When Terry Patzer hears what police discovered at Russell Tillis' house of horrors, memories of the nine years she spent married to him come flooding back; she cannot explain how her former lover became so twisted.

Andrea believes that Ray Clark is the man of her dreams; but when she reveals she's pregnant, Ray becomes a nightmare; he stalks her and tortures their infant son; Andrea and her baby narrowly escape, but the next woman Ray meets isn't so lucky.

Genie already knows Lee Cawthon is capable of horrible things when he forces her into a polygamous relationship; she plays along with his twisted demands, but doesn't realize that the consequences of letting him have his way might be worse.

When Felisha meets Wesley, she is a single mom with no place to live; he gives her a home, but after they are married and have kids, she discovers he is selfish and unkind. When she finally leaves him, he exacts the cruelest revenge.

An emotional 911 call comes in from a young man claiming he just found his mother and dog murdered in their home; once his interview with detectives begins, they uncover a parasitic psychopath who will do anything to get away with the crime.

A small SD card contains horrifying images and videos of a woman's murder; when someone gives it to Anchorage police, detectives come face-to-face with a sexual psychopath who has a shocking tale to tell.

Bonnie and Kara confront the final chapter of their investigation as survivors identify a notorious serial killer, investigators revisit his known victims, and the women reflect on their search for justice after decades of unanswered questions.

When a teenage girl in a tightly controlled religious community falls prey to her charismatic pastor, she's told it is love; years later, she realizes it is abuse and takes on those in the church who would rather destroy her than face the truth.

An emotional 911 call comes in from a young man claiming he just found his mother and dog murdered in their home; once his interview with detectives begins, they uncover a parasitic psychopath who will do anything to get away with the crime.

A small SD card contains horrifying images and videos of a woman's murder; when someone gives it to Anchorage police, detectives come face-to-face with a sexual psychopath who has a shocking tale to tell.

Bonnie and Kara confront the final chapter of their investigation as survivors identify a notorious serial killer, investigators revisit his known victims, and the women reflect on their search for justice after decades of unanswered questions.

When a teenage girl in a tightly controlled religious community falls prey to her charismatic pastor, she's told it is love; years later, she realizes it is abuse and takes on those in the church who would rather destroy her than face the truth.

When Felisha meets Wesley, she is a single mom with no place to live; he gives her a home, but after they are married and have kids, she discovers he is selfish and unkind. When she finally leaves him, he exacts the cruelest revenge.

When Long Island newlywed Lisa Solomon disappears on Christmas Eve, family and friends search for her tirelessly; investigators wonder whether she left her husband of two months in the middle of the night or was the victim of foul play.

In Biloxi, Miss., Judge Vincent Sherry and his wife, Margaret, a city councilwoman, are shot to death in their home; the murdered couple's oldest daughter sets out on a 10-year quest to find her parents' killer.

When 24-year-old Diane Delia is found dead in the Hudson River, detectives are surprised to realize she was once a man; an investigation leads police to New York's disco and gay club scenes, and a dramatic love triangle that could expose the killer.

A charismatic Hare Krishna follower disappears, then another member is shot dead, leading police to untangle a twisted web of murder and betrayal.

A feud between Jerry Hancock and stepfather Gene Capps boils over when they fight over their family home; from food to finances, they're at each other's throats over everything until a night of violence finally tears the family apart for good.

Two cousins go to war over the same woman, with significant consequences.

In 2021, in Newport News, Virginia, postal workers Jacquie Shabazz and Tashara Jackson fall out over an alleged affair, and a simmering feud explodes.

It's 2009 in Las Vegas and two men come face-to-face over a woman; three years of feuding end in 13 fatal seconds and decades on, neither family can forgive.

A feud between a man and his stepfather boils over when they begin fighting over their family home until a night of violence tears the family apart.

A bitter feud erupts between business partners that ends in brutal murder.

The Lunsford family's lives turn upside down when someone snatches nine-year-old Jessie from her bed in the middle of the night; authorities scour the area looking for her when they discover a dark truth, she is closer than they ever realized.

Firefighters discover a body with two gunshot wounds; the fire destroys any hope for evidence and the police look at the victim's social media for clues.

In 2021, police find a retired couple stabbed repeatedly in their home; they witness a mysterious figure coming and going on security footage, which leads them to a suspect who is very close to home with a desire for revenge.

In 2001, a mother of five is found shot in the head in her own minivan; investigators have little physical evidence and struggle to make an arrest; as the children grow up, the family becomes divided over who killed the beloved soccer mom.

In 1972, police find a young woman fatally stabbed in her room; police hunt for her killer, but he seemingly vanishes, and the case goes cold; decades later, a new investigative technique emerges, and the killer's name turns up.

A deadly fire in a small Illinois town raises questions whether it was a tragic accident or murder; the ensuing investigation uncovers a web of lies and deceit that results in one woman and her unborn child's life coming to a violent end.

A savage killer goes on a homicidal rampage and then abducts two young siblings from their home.

A savage killer goes on a homicidal rampage and then abducts two young siblings from their home.

After a fire breaks out, police find a freshman amid the ashes, brutally beaten and burned alive; the hunt for the evil killer on campus is on.

A hospital worker invites a colleague, who's fallen on hard times, to come live with her; but the good deed backfires, and it only takes a few weeks before a stealthy betrayal turns into a gruesome crime.

A savage killer goes on a homicidal rampage and then abducts two young siblings from their home.