Investigation Discovery HD (Pacific)

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.

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.

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.

A landscaper becomes obsessed with a single mother who is one of his client's and refuses to take no for an answer.

A man begins filming Hannah through a window, then his threatening behavior escalates until it culminates in a violent confrontation.

An introverted high school student finds a soul mate who shares her passion for fantasy and comic books, then she goes to college, and he cannot contain his jealousy.

A single mother is stalked by her ex-boyfriend's son for 22 years.

In Fox Lake, Ill., chaos ensues when a police officer is murdered, and the town goes on lockdown, then sordid details from the victim's life emerge, causing the case to take a surprising turn.

Dr. Dirk Greineder is one of the most respected men in the upper-class community of Wellesley, Mass., until a secret X-rated addiction spirals out of control and results in a gruesome murder no one saw coming.

When Ignacio Garraus tries to break off his adulterous affair with Shawna Nelson, things take a very dark turn, ending in murder.

Bill Douglas is a respected doctor at Tufts University in Boston, but he becomes obsessed with a prostitute he met in a red-light district known as the Combat Zone; together, they lead double lives ending in murder.

A serial rapist known as the Ether Man lurks in the shadows of Albuquerque, N.M., and victims cannot identify the masked attacker; while the offender expands his hunting grounds, officials work to stop him before he attacks again.

LAPD investigators are on the hunt for a criminal stealing expensive yachts, but what they find instead is a mild-mannered man among their own ranks.

A family moves one house over and closer to neighbors they've been friendly with for years; however, things go sour when they start renovations; the noise and waste ignite a vicious feud, ending in a frenzy of bullets and bloodshed.

When a large and boisterous family moves to a quiet street, the neighbors directly across from them get into immediate conflict over all the noise; soon the dispute consumes everyone and is only settled with the deadly crack of a baseball bat.

Two neighbors who are down on their luck bond over their struggle; when one buries the other in debt with a hustle gone wrong, things fall apart, but their co-dependence keeps them entwined until an act of revenge.

A couple moves to the country and ruins the quiet their new neighbors have enjoyed for years; parties, loud kids, and a junk-strewn lawn push the Vietnam vet next door to build a fence, but violence boils over when property lines are disputed.

A bachelor is welcomed into a neighborhood, but things go south when he starts disputing the property lines; the warring parties film each other extensively, but the cameras aren't running when violence erupts.

When a single man buys a home in a rural community, he becomes fast friends with his neighbor until a minor parking issue sets them at odds; police are soon summoned for everything from horse manure to death threats.

Everyone is happy when Miranda marries Sam because she's pretty and he's cute and friendly, but Miranda's spending veers out of control and tears the couple apart until one of them looks outside the marriage and finds nothing short of murder.

"48 Hours" began as a documentary in 1986 and became a regular series two years later. It was built around a team of correspondents covering one subject for 48 consecutive hours. Over time it evolved into the premiere broadcast for law, crime and justice stores -- its journalists, for example, have been credited with uncovering new information that has led to high-profile cases being overturned an

Donna Andersen almost has it all: a nice house, a good job, and a loving family. But something's missing until James Montgomery enters her life. The future looks bright until Donna makes a discovery that turns her marriage into a living nightmare.

In a tight-knit community, a new family commits a slight against a community member causing all of their neighbors to turn against them and leading to an explosive conclusion.

"48 Hours" began as a documentary in 1986 and became a regular series two years later. It was built around a team of correspondents covering one subject for 48 consecutive hours. Over time it evolved into the premiere broadcast for law, crime and justice stores -- its journalists, for example, have been credited with uncovering new information that has led to high-profile cases being overturned an

Donna Andersen almost has it all: a nice house, a good job, and a loving family. But something's missing until James Montgomery enters her life. The future looks bright until Donna makes a discovery that turns her marriage into a living nightmare.

In a tight-knit community, a new family commits a slight against a community member causing all of their neighbors to turn against them and leading to an explosive conclusion.

Everyone is happy when Miranda marries Sam because she's pretty and he's cute and friendly, but Miranda's spending veers out of control and tears the couple apart until one of them looks outside the marriage and finds nothing short of murder.

Alina Burroughs is eager to determine whether Michelle Witherell accidentally fell from her balcony, committed suicide, or was murdered; searching for the truth, she navigates a maze of conflicting pathology reports.

When family man Brian Hughes falls dead in his living room, it looks like a robbery gone wrong; the evidence soon suggests a plot hatched from inside his home, and CSI Alina Burroughs deciphers the ballistics to give a silenced victim the final word.

In Stamping Ground, Ky., a young woman's dead body is found late at night by her brother and father; when detectives learn the victim was pregnant, they consider it a motive for murder and begin a homicide investigation.

Sharon Ord and her family leave Scranton, Pa., to start a new life in Florida; then one of them disappears, turning their dream of a new life into a nightmare.

In Ohio, a woman is found stabbed to death in her kitchen after she fails to show up for work; her sister is able to help detectives solve the case after a family heirloom is discovered during the investigation.

In June 2009, 61-year-old Wendy DiRodio's elderly mother discovers Wendy's body in the bedroom of their shared Ventura County, Calif., home; another murder weeks earlier leads investigators to wonder if a serial killer is on the loose.

When a home invasion leaves Bill Ross murdered in his sleep, detectives in Shelbyville, Tenn., scramble to uncover the identity of a pair of masked men; as they dig deeper, they discover a troubling web of secrets and lies.

A teenager sleeps through the murder of her father, Ken Eaton, at their home; as detectives probe into the beloved teacher's secret love life, they unravel a web of heartbreak, deceit and desire.

In 2004, the cat-and-mouse hunt for a serial killer targeting Black females antagonizes investigators in Peoria, Ill.

In 1995, when a 14-year-old girl in Happy Valley, Washington, goes missing, detectives uncover a grim family secret.

In 2001, in Cortez, Colo., the violent murder of a gay Navajo teenager means two spirits die with him.

In 2008, a real estate developer finds his glamorous wife Kay Wenal slashed from ear to ear in her Georgia home; with few clues in the case, investigators quickly learn that all is not what it seems in her picture-perfect life.

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 911 operator receives a distressing call from a man repeatedly claiming that he just stabbed and killed two people. Police quickly discover that not only is the call genuine but that the caller is a violent and unpredictable psychopath.

Weeks after an 18-year-old is reported missing by a friend, his clothes are found burned in a trash can behind a suburban house; witnesses lead investigators to a young man with a violent past; they quickly discover he had an accomplice.

Six months pregnant Martine Bernard's family reports her missing; days later, her father vanishes as well; when officers interview Martine's husband, Cassandritz Blanc, they find a calculating psychopath willing to do anything to cover his tracks.

When a 64-year-old grandmother does not return home from her morning walk, local police uncover that the man responsible for her disappearance is not only a pathological liar but a sexually deviant psychopath carrying out a twisted fantasy.

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 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.

Denise Huskins Quinn and Aaron Quinn share how they worked with law enforcement to help uncover additional crimes committed by their attacker, helping to bring justice to other victims.

Police find a woman shot to death in a car, and the prime suspect is her dangerous psychopathic boyfriend.

A gruesome discovery in a Florida landfill reveals two young psychopathic parents with parasitic tendencies and a disturbing plan for a double murder.