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For 15 years, northern California is haunted by a serial rapist until genetic genealogy finally reveals the identity of the elusive sexual predator.

In 1976, a 16-year-old girl is found murdered near a roadside ditch in the small town of Walton, Ky.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In 2003, the skeletal remains of a young woman are found.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In 2003, the skeletal remains of a young woman are found.

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When a young woman fails to show up to work and her mother rushes to her home to try to find her, what she discovers begins an investigation that leads to a suspect no one imagined.

When Ohio mother Heather Bogle goes missing, a detective identifies multiple suspects, until he himself comes under scrutiny for his investigation.

Former mayor and prominent attorney Melvin Roberts is larger than life; when cops find him dead in his driveway, it marks the start of a tough case.

Murder in Agawam; Murdered Mom; Missing Baby; Dropped Off Doe; Hotel Balcony Death; She Sold Babies; Genius Mystery.

An in-depth look at the mysteries of Mental Daze, Motorcycle Mom, Beale's Cypher, Looking for Angeline and Gasparetto.

Honeymoon Isle; Little Girl Lost; Bible Code; Update: Molester Cop; Bee Sting Healing; Surprise Sister.

Born to Kill; Carnies; Children's Past Lives; Update: I.D. Swap; Sadd Fugitive; Nine Lives.

Picture Taking Fugitive; John Burns; Deputy Death; Honky Tonk Woman; Update: Sharon's Search; Coma Healer.

The sister of a man who died after robbing a bank when a bomb that was placed around his neck detonated talks about the case.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

Michael Peterson, who was granted a new trial after the 2003 conviction in the murder of his wife was overturned, discusses the case and his decision to enter an Alford plea.

A pair of double homicides in Nebraska, five years apart, lead police to fear a serial killer may be on the loose.

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Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In 2003, the skeletal remains of a young woman are found.

The identity of Nancy Bennallack's murderer is a mystery until the advent of investigative genetic genealogy.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

The identity of Nancy Bennallack's murderer is a mystery until the advent of investigative genetic genealogy.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

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Debbie Hawk's three children arrive home to find their mother missing, with blood throughout the house; investigating who did this and why.

A girl's recovery from a gunshot wound inspires the community to get her justice.

John Sutton and his wife Susan are brutally attacked in their million dollar Florida home, but the motive is unknown.

Colorado Cop Killer; Playboy Con Man; Larry's Rampage; Life After Lightning; Mickey Thompson; Missing Gringo.

Kurt Cobain; Bordello Murders; Update: College Student Murders; Jesse James Hollywood; Profiling the Paranormal; Trucker Disappearance.

Yager Shyster; KC Blast; Abductees: Part 1 and 2; Disappearance in Shoshone.

An in-depth look at a series of unsolved mysteries including Tupac Shakur, Bigfoot II, Update: Noble Brothers Run, Fred's Fatal Drive, Cyril Wecht, and Lost at Sea.

An exploration of the cases of AWOL; Unknown Arsonist; Phoenix UFO; Brandon Lee; Alcatraz.

Repairman Death; Hero Molester; White Bird; Heads Up; Update on Mary and Martha; Nazi's Lazarus.

Kay Hall; Mail Bombings; Trish's Miracle; Powers of Katie; Best Friends.

Motorcycle Murder; Amber Swartz; Carlos' Con; Maine Petition; Message in a Bottle; Foster Son.

R.F. Kennedy Part 1 and 2; Gurdon Light; Tina's Search; Where's Baby Le-Zhan; Doggie Bowser MD.

Featuring Who Killed Jeanine Parts 1 and 2, Animal Saviours, Bus Stop Amnesia, Point Blank, Miriam's Memory.

Murder in Agawam; Murdered Mom; Missing Baby; Dropped Off Doe; Hotel Balcony Death; She Sold Babies; Genius Mystery.

An in-depth look at the mysteries of Mental Daze, Motorcycle Mom, Beale's Cypher, Looking for Angeline and Gasparetto.

Paid programming.

Paid programming.

The identity of Nancy Bennallack's murderer is a mystery until the advent of investigative genetic genealogy.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In 1968, the remains of an unidentified woman are discovered; detectives work for nearly half a century to identify the Jane Doe and the murderer who evaded law enforcement for 50 years.

In 1964, the body of a young girl is discovered in Hazleton, Pa.; the community lives in fear that a child predator is hiding in plain sight; over 50 years later, the truth is finally revealed.

In 1968, the remains of an unidentified woman are discovered; detectives work for nearly half a century to identify the Jane Doe and the murderer who evaded law enforcement for 50 years.

In 1964, the body of a young girl is discovered in Hazleton, Pa.; the community lives in fear that a child predator is hiding in plain sight; over 50 years later, the truth is finally revealed.

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Save thousands on car repairs.

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A group of adventurous Americans thought they had stumbled into paradise on the warm waters of a tropical hideaway.

A verdict is given in the case of a woman found murdered just three months after being married.

A woman from a small town moves to the big city of Las Vegas, where she finds a new career and a new love, then she vanishes, and her body is found within a few days, but discovering her killer will be a tougher mystery to crack.

Texas' Most Wanted; Backyard Bones; Pierre's Amnesia; Bad Friday; Missing Bank Executive; Canadian Crop Circles.

Fugitive Squirrel; Waag the Dog; Mystery Mummy; Vigilante; Who Plugged Bugsy?; Murder in Connecticut.

Elvis' Last Night; Kecksburg UFO (Parts 1 and 2); Update: Casino Cowboy; Dennis Cole's Son; Bad Chief.

Kentucky Bomber; Update: Texas A&M Rapist; Ice Woman; One Minute Million; Taking a Dive; Bordeaux Murder.

Insight into Border Line Murder; Sleepwalking; Searcher's Son; Frightened Family; Dennis Keith Smith.

When a model and up-and-coming YouTube celebrity turns up dead, police question her husband in the hope he can shed some light on the situation.

Physically fit woman dies suddenly; her family discovers it was no accident.

Investigation into a deadly house fire.

When a young, handsome veterinarian is found dead in his home in Montana, the mystery remains unsolved for nearly two decades.

Paid programming.

Paid programming.

In 1968, the remains of an unidentified woman are discovered; detectives work for nearly half a century to identify the Jane Doe and the murderer who evaded law enforcement for 50 years.

In 1964, the body of a young girl is discovered in Hazleton, Pa.; the community lives in fear that a child predator is hiding in plain sight; over 50 years later, the truth is finally revealed.

Two unsolved murders from the late 1970s near Tahoe, Calif., stump investigators for decades.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

Two unsolved murders from the late 1970s near Tahoe, Calif., stump investigators for decades.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

In this compelling investigation, John Walsh delves into OmegaXL and its natural origins; discover how this innovative supplement can provide relief from joint pain and improve your quality of life, all grounded in extensive research.

2026 will be one of the most historic years ever in U.S. coinage. Join your host Mike Mezack to learn about the incredible U.S. Quarter program and get a chance at an exclusive set!

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Save thousands on car repairs.

A brilliant woman who rose from poverty and became a successful criminal defense attorney is murdered; investigators look into her clients and follow a bizarre string of clues.

Over the course of a year, violent crimes are committed against two women from the same church; evidence is revealed that suggests the two cases are not just coincidences.

The five-year investigation into the death of a retired corrections officer, who was killed by antifreeze poisoning, reveals multiple suspects.

Bonnie and Clyde 2001; Update: Florida Crime Spree; Storm in Hell; Heather Tallchief; Film Student's Death; Bloodhounds.

Massachusetts Marine; Yeti; Terrorized Teen; Biker and the Vet; Killer Boyfriend.

Texas Crime Spree; Inside Frontera; Deadly Doses; The Entity.

Missing on a Cruise; Taunting Bank Robber; DEA Agent Death; Bullock's Deadwood; Up in Smoke; Danny and His Dad.

Mrs. Rogers; Plateau Vision; Update: War of the Depues; Killer Boyfriend; Medford Millions; Looking for Christopher.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

The convicted murderer of a popular teacher is given a second chance at freedom when new evidence is revealed.

A model with a checkered past goes under cover to reveal the truth about a cold case involving a romantic getaway on a boat that ended with a woman being lost at sea.

Texas' Most Wanted; Backyard Bones; Pierre's Amnesia; Bad Friday; Missing Bank Executive; Canadian Crop Circles.

Fugitive Squirrel; Waag the Dog; Mystery Mummy; Vigilante; Who Plugged Bugsy?; Murder in Connecticut.

The mystery of a Florida hotel owner's disappearance confounds family, friends and the detectives investigating the case.

Transform your bath affordably in just one day!

Paid programming.

Two unsolved murders from the late 1970s near Tahoe, Calif., stump investigators for decades.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

DNA science finally names the Phoenix Canal Killer, who terrorised the city in the early 90s.

Investigative genetic genealogy solves the 1998 murder of a mother killed in front of her toddler.

DNA science finally names the Phoenix Canal Killer, who terrorised the city in the early 90s.

Investigative genetic genealogy solves the 1998 murder of a mother killed in front of her toddler.

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Tired of bloating or gut issues that won't go away?; discovering the root cause-and how Emma can help eliminate methane-producing archaea, reset digestion and restore balance naturally.

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The murder of a California mother beloved by four men reopens a mystery surrounding another young woman's death that occurred decades earlier.

Investigators seek answers when a prosecutor and a district attorney and his wife are murdered within a couple of months of each other.

When a dog trainer with celebrity clientele disappears, investigators track down a suspect with the help of two witnesses.

Susie Casey, an outgoing mother of four, is going through a divorce when she vanishes; police investigate three men.

The murder of former NBA star and hometown hero Lorenzen Wright sends shockwaves through the city of Memphis, Tenn.; insiders speak out about new developments in the lengthy search for justice.

With no arrest having been made years after a real estate agent's murder, frustration continues to mount among her family and friends.

A fatal car crash leaves two dead and one seriously injured; it may have not been an accident.

Elvis' Last Night; Kecksburg UFO (Parts 1 and 2); Update: Casino Cowboy; Dennis Cole's Son; Bad Chief.

Archie McFarland was stabbed to death and his murder went unsolved for twenty-five years.

When a mother of three is found dead a mile from her home, the investigation leads to an unlikely suspect.

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Paid programming.

DNA science finally names the Phoenix Canal Killer, who terrorised the city in the early 90s.

Investigative genetic genealogy solves the 1998 murder of a mother killed in front of her toddler.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

Advances in forensic science shine a light on a case that went cold for decades, revealing the name of a serial killer who murdered two women in the late 1980s in Orange County, Calif.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

Advances in forensic science shine a light on a case that went cold for decades, revealing the name of a serial killer who murdered two women in the late 1980s in Orange County, Calif.

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Paid programming.

Paid programming.

Paid programming.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

Money and greed tear two close-knit California families apart.

The investigation into the death of a Spokane, Wash., businessman exposes a web of malevolence extending from the Pacific Northwest to a North Dakota oil field.

A son uncovers a dark family conspiracy when he questions his mother following a man's apparent suicide.

Bonnie and Clyde 2001; Update: Florida Crime Spree; Storm in Hell; Heather Tallchief; Film Student's Death; Bloodhounds.

Massachusetts Marine; Yeti; Terrorized Teen; Biker and the Vet; Killer Boyfriend.

Texas Crime Spree; Inside Frontera; Deadly Doses; The Entity.

Missing on a Cruise; Taunting Bank Robber; DEA Agent Death; Bullock's Deadwood; Up in Smoke; Danny and His Dad.

Mrs. Rogers; Plateau Vision; Update: War of the Depues; Killer Boyfriend; Medford Millions; Looking for Christopher.

Paid programming.

Paid programming.

Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.

Advances in forensic science shine a light on a case that went cold for decades, revealing the name of a serial killer who murdered two women in the late 1980s in Orange County, Calif.

In 1990, a Mississippi woman is kidnapped and raped at knifepoint; the case goes cold for decades until a DNA match from an unrelated crime identifies the perpetrator.

In 1972, a young woman is found covered in blood by the road in Snohomish County, WA.

In 1990, a Mississippi woman is kidnapped and raped at knifepoint; the case goes cold for decades until a DNA match from an unrelated crime identifies the perpetrator.

In 1972, a young woman is found covered in blood by the road in Snohomish County, WA.

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Paid programming.

Paid programming.

Paid programming.

A microscopic clue and a stroke of luck help authorities solve the murder of a young woman that took place inside her Jacksonville Beach, Fla., home.

The security cameras at the home of a wife and mother of three's home may hold the key to solving the mystery of her disappearance.

Four years after a 28-year-old dies after hosting a New Year's Eve party, a jury must decide if it was suicide or murder.

Skull Duggery; Lucky School; Deadly Doses; Drug Playboy; Eleven Million Dollar Heist; Fallen Star.

Cases include Dial's Escape; Socorro Close Encounter; Martin Luther King: Part 1 and Part 2; Purvis Confession.

Where's Charlotte?; MP Death: Part 1 and 2; Love on the Run; G.I. Dad; Nazca Lines.

Freshwater Runs Still; Is Ed Dead?; Lake Wales Haunting; Anchors Away; Update: Mental Daze; St. Louis Custody Killer.

Waag the Dog; Hudson Valley UFO (Parts 1 and 2); Update: Wandering Fisherman; Newlywed Found Dead; Murder 101.

A man who was recently acquitted of the murder of his ex-girlfriend's 12-year-old son tells his story; interview with the victim's mother and key players in the case.

Against all odds, a young woman is found alive after an attack on her and a friend near Corpus Christi, Texas.

The investigation into the disappearance of a mother of three in Colorado reveals she was living a double life.

A community comes together to search for a young woman who goes missing from a Halloween party.

Paid programming.

Paid programming.

In 1990, a Mississippi woman is kidnapped and raped at knifepoint; the case goes cold for decades until a DNA match from an unrelated crime identifies the perpetrator.

In 1972, a young woman is found covered in blood by the road in Snohomish County, WA.

In 1980, an Ohio man finds his wife lying in a pool of blood after she had been stabbed by an unknown killer.

In 1985, when a young nurse is sexually assaulted by an unknown assailant, she turns to law enforcement to catch this sexual predator; despite her horrific ordeal, she never loses hope that her attacker will be caught.

In 1980, an Ohio man finds his wife lying in a pool of blood after she had been stabbed by an unknown killer.

In 1985, when a young nurse is sexually assaulted by an unknown assailant, she turns to law enforcement to catch this sexual predator; despite her horrific ordeal, she never loses hope that her attacker will be caught.

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Paid programming.

A couple's anniversary celebration ends in murder during what appears to have been a home invasion, but investigators believe the suspect might be connected to the victim.

When film executive Gavin Smith vanishes, Los Angeles detectives search for clues amid reported sightings and suspicious circumstances.

Debra Newell believes she has found Mr. Right, but her daughters sense there's something wrong with John Meehan; they start digging into his past and find out he's a dangerous con man; their revelations may come too late.

Til Death Do Us Part; Shroud of Turin; Is Borton Back: Part 1 and 2; Burning Bed; G.I. Dad.

Where's Jo?; Mexico UFO; Update: Nudist Fraud; Carlucci; Merchant Student Drowning; Mandy and Punky.

Motorcycle Mom & UD; Update: Ready Teller Robbery; White Bird; Strychnine Death; Missing Mariners.

Slain Sammy; Jumping Off Place; Unicorn's Secret; Update: Bad Chief; Gettysburg Ghosts; Hospital Escape.

Dinnertime Bandit; Texas Most Wanted; Elevator Murder; CIA Coverup; General Wayne Inn; Missing Bird People.

The investigation into the disappearance of a Marine's 19-year-old wife reveals a secret love triangle and multiple suspects.

When a 23-year-old woman goes missing from a shopping mall in Plano, Texas, her family searches for her, and the police seek out who is responsible for her disappearance.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if Ron's interest in an alternative religion is connected to his murder.

Police initially suspect natural causes as they investigate a man's death, until they learn about an unconventional love triangle, which points the investigation in a new direction.

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Paid programming.

In 1980, an Ohio man finds his wife lying in a pool of blood after she had been stabbed by an unknown killer.

In 1985, when a young nurse is sexually assaulted by an unknown assailant, she turns to law enforcement to catch this sexual predator; despite her horrific ordeal, she never loses hope that her attacker will be caught.

Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.

The 1972 rape and murder of nine-year-old Debbie Lynn Randall is solved five decades later with the help of forensic science.

Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.

The 1972 rape and murder of nine-year-old Debbie Lynn Randall is solved five decades later with the help of forensic science.

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Paid programming.

Paid programming.

Paid programming.

When an Ohio resident is offered $50,000 to kill someone hundreds of miles away, investigators set up an elaborate sting operation to bring down those behind the murder-for-hire plot.

When a small-town Alabama resident is murdered in his home, rumors involving a local pastor begin to swirl as the truth ends up turning the community upside down.

As detectives investigate a mother of two's sudden disappearance, her friends and family reveal she feared she was being stalked.

Armored Car Killings; Update: Fumbles Robber; Dahlia/Torso Connection; Tunnel of Cocaine; Black Hope Curse (Parts 1 & 2).

An in-depth look at a series of unsolved mysteries including Casino Cowboy, Update: KC Blast, Road Rage, Australian UFO, San Marino Bones, and Psychic Spy.

D.B. Cooper (Parts 1 & 2); Richard's Rampage; Update: Log Cabin Fraud; Chair of Death; Wood I Lie to You.

An in-depth look at a series of unsolved mysteries including Burnt Evidence, Dark Dante, Skeleton Canyon, Con-Doc, Smitty, and Update: Newlywed Escape.

An in-depth look at a series of unsolved mysteries including Boston Strangler, Gas Station Video, Interceptions, and Model A Sister.

Skull Duggery; Lucky School; Deadly Doses; Drug Playboy; Eleven Million Dollar Heist; Fallen Star.

Cases include Dial's Escape; Socorro Close Encounter; Martin Luther King: Part 1 and Part 2; Purvis Confession.

Where's Charlotte?; MP Death: Part 1 and 2; Love on the Run; G.I. Dad; Nazca Lines.

Freshwater Runs Still; Is Ed Dead?; Lake Wales Haunting; Anchors Away; Update: Mental Daze; St. Louis Custody Killer.

Waag the Dog; Hudson Valley UFO (Parts 1 and 2); Update: Wandering Fisherman; Newlywed Found Dead; Murder 101.

Til Death Do Us Part; Shroud of Turin; Is Borton Back: Part 1 and 2; Burning Bed; G.I. Dad.

Where's Jo?; Mexico UFO; Update: Nudist Fraud; Carlucci; Merchant Student Drowning; Mandy and Punky.

Paid programming.

Paid programming.

Investigative genetic genealogy unmasks the sexual deviant who raped and killed Christina Castiglione in 1983.

The 1972 rape and murder of nine-year-old Debbie Lynn Randall is solved five decades later with the help of forensic science.

Investigators try to solve the case of Sharon Hammack, a woman whose body was wrapped in a blanket is found on the side of a road in Michigan, 1996.

When a young woman is out for a run she is brutally attacked and raped by a stranger, police use ground breaking genetic genealogy to identify the perpetrator.

Investigators try to solve the case of Sharon Hammack, a woman whose body was wrapped in a blanket is found on the side of a road in Michigan, 1996.

When a young woman is out for a run she is brutally attacked and raped by a stranger, police use ground breaking genetic genealogy to identify the perpetrator.

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Paid programming.

Paid programming.

Paid programming.

A murder on Valentine's Day leads to a trial with unexpected twists and turns and a surprise ending.

Husband is shot while hunting; wife says she accidentally mistook him for a bear, but police learn the marriage was less than perfect.

Heidy and Conrad Truman are an enviable couple with a bright future; then, one fateful night, Heidy is found dead of a gunshot wound to the head; in the aftermath of her death, accusatory fingers are pointed at someone who may very well be innocent.

Explores the cases of Sonny Liston, Thumbs, Belgian UFO, Update: Mickey Thompson, and Down to the Wire.

Murder & Extortion; Casino Disappearance; Suddenly Psychic; Larry's Rampage; Update: Trucker Rapist Escape; Plummer's Booty.

Salem Secrets; Update: Pierre's Amnesia; Florida Crime Spree; Ness; Canadian Camper; Rock of Fortune.

Who Killed Superman?; Satchel Bandit; Ghostbusters; Update: Til Death Do Us Part; Money From Heaven; Hot Jock.

Bones Knows; Update: Model's Third Notebook; Thrill Killer; Noah's Ark; Bad Friday; Ghosts Go to Court.

A woman claims to have been abducted from her multi-million-dollar home, leaving more than 150 investigators to search for her.

When Bonnie Craig was found dead, police collected DNA, but it didn't match anyone in the system; 12 years later there is a hit, but the man is thousands of miles away and, as it turns out, prosecutors need more than DNA to convict a killer.