Bloodline Detectives

Police work to identify the perpetrator of a brutal murder from 1980.

Police spend decades trying to identify a baby whose body was discovered in 1982.

In 1983, 22-year-old Diana Hanson leaves her family's home for a jog and is never seen alive again.

In 1997, a woman is attacked on her route home; a suspect is arrested over 20 years later with the help of a genetic genealogical search.

In 1963, a man fishing finds the body of a toddler who had been wrapped in blankets and weighed down by iron molds; it takes 57 years to learn the child's name.

In 2018, a 79-year-old woman in Utah is sexually assaulted after a man breaks into her home; genetic genealogy immediately identifies the rapist.

In 1974, 25-year-old Mary K. Schlais is murdered while hitchhiking from Minneapolis to Madison, Wisconsin.

In 1985, student Terri McAdams was beaten and killed by an intruder who entered the apartment she was staying in; in 2024, genetic genealogy finally caught Terri's killer.

In October 2003, the San Diego County community was shaken by a tragic discovery: the dismembered legs of a woman were found in a dumpster.

In 1967, Susan Galvin is found dead; the case is reopened with the help of forensic genealogy in 2018.

DNA and genealogy reveal serial killer Jerry McFadden murdered Anna Hlavka in 1979 in Portland; featuring witness testimony, new interviews, archive footage and dramatic reconstructions.

In 1991, 16-year-old Sarah Yarborough was murdered outside her school; eyewitnesses saw a man, but it took nearly 30 years and forensic genealogy to find him.

Esther Gonzalez was killed in 1979 while walking in Riverside; Randy Williamson, cleared by polygraph, lived freely until 2014; in 2023, forensic genealogy closed the cold case.

Found shot near Highway 67 in 1986, Maria Pilar Del Gadillo Carrillo remained unidentified until 2024, when authorities used genetic genealogy and reopened her case.

In 2024, Pamela Wittman, a 25-year-old from Indiana, was identified as a victim in the 1980 Daytona Beach cold case linked to a serial killer.

When a woman is found dead in her home, detectives are left with more questions than answers.

Forty years after 20-year-old Krista Martin is murdered in Kansas, genetic genealogy finally provides answers.

Years after her murder in 1991, will new forensic tools finally find Danielle Clause's killer?

In 1986, Barbara Carr is killed during a home invasion; will new technology close in on the perpetrator?

19-year-old Janet Stallcup is murdered in 1976; decades later, cutting-edge technology breaks the case open.

Susan Eads is found murdered in Texas in 1983; decades later, can modern forensics identify the perpetrator?

A forensic technique finally solves the decades-old mystery of Krisann Baxter's case.

Forensic science catches up with a killer who murdered Mary Catherine Edwards in Beaumont, Texas in 1995.

Can new forensic science identify Cathy Sposito's murderer from an Arizona hiking trail in 1987?

Police solve the decades-old cold case of Clare Holman through new advancements in DNA technology.

In 2010, Sherry Black is found stabbed to death in her bookstore in Salt Lake City, Utah.

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.

A woman in Texas is killed and dumped in an old basement; the hosts attempt to answer the question of whether new forensic tools are capable of finding the murderer.

The brutal murder of 15-year-old Melissa Lee in 1993 is revisited 30 years later.

A string of rapes in the mid-2000s shrouds the community of Fayetteville, North Carolina in fear. Years later, a forensic DNA technique brings the twisted perpetrator to justice.

In 1987, when mother of two Mary Davis is found murdered in Lexington, N.C., a decades-long investigation begins; cutting-edge forensics provide long-awaited answers.

A young woman is found beaten to death in the snow of rural Wisconsin in 1984; the killer evades detection of the police for decades; how can a breakthrough in DNA testing methods reveal the killer's identity?

In Sacramento, Calif., three woman are brutally assaulted by the same man; investigators use genealogy to track down the suspect.

A woman's skeletal remains are found in Okaloosa County in 1994; it sparks a years-long search for her identity and killer, until a new forensic tool provides answers.

In 1988, an 8-year-old girl goes missing; three days later, the girl's body is found in a ditch.

A young couple is murdered in Montana in 1956; in 2019, investigators use voluntary genealogical databases to catch the killer.

A young woman out jogging is attacked and viciously raped at knifepoint; the perpetrator continues his reign of terror by raping another five times over the next nine years.

In 1991, an intruder sexually assaults a woman in her own home in Chandler, Ariz.; the case goes unsolved for decades until revolutionary science connects the dots.

The body of a young girl is discovered strangled and shot; genetic genealogy is used to identify the victim and killer.

Wisconsin, 1976, 25-year-old David Schuldes and 24-year-old Ellen Matheys are murdered in a park; the case goes cold until 2015 when new DNA science is found.

No episode description is available yet.

No episode description is available yet.

No episode description is available yet.

In 1974, a 5-year-old girl disappears while walking to her friend's house; after 46 years, detectives are able to put the case to rest using modern DNA technology.

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

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.

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 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.

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.

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.

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

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.

No episode description is available yet.

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

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

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

Police work to identify the perpetrator of a brutal murder from 1980.

No episode description is available yet.

Police spend decades trying to identify a baby whose body was discovered in 1982.

For six decades, police work to identify the person who murdered a 9-year-old girl.

A town in Washington lives in fear after a 17-year-old girl is abducted and raped without a suspect in sight.

A young woman is found murdered in 1987.

Police work to identify the perpetrator of a brutal 1985 murder.

In 1989, a Las Vegas teenager on her way to school is never seen alive again.

Police work for 52 years to find the killer who murdered a woman in1969.

When a Naval recruit is found murdered, a decades-long mystery reveals the identity of the killer.

When two children are murdered in 1986 in Tacoma, Wash., panic spreads throughout the community.

The body of a young woman is discovered the day after Valentine's Day in 1991.

In 1981, police are shocked by the violent murder of a 35-year-old woman inside her home in an affluent town.

In 1960, the police and community are heartbroken by the murder of a little girl.

A woman is found dead inside a cemetery in 1996.

In 1983, 22-year-old Diana Hanson leaves her family's home for a jog and is never seen alive again.

In 1981, a mother of two is found murdered in her home in Florida.

In 1979, a 16-year-old girl is last seen alive at Dairy Queen in Las Vegas.

In 1974, a 17-year-old girl is found murdered inside a culvert.

In 2001, a 7-year-old girl is sexually assaulted on her way to school.

In 1987, a man finds his wife brutally murdered on the kitchen floor.

A 60-year-old pharmacist is strangled and sexually assaulted in her home; almost 50 years later her killer is tracked down using genetic genealogy.

The body of a young girl is discovered strangled and shot; genetic genealogy is used to identify the victim and killer.

A young woman out jogging is attacked and viciously raped at knifepoint; the perpetrator continues his reign of terror by raping another five times over the next nine years.

When a woman takes a genealogy test to learn what happened to her estranged mother, she is shocked to learn that her DNA has helped law enforcement identify a Jane Doe that remained a mystery for over 40 years.

In 1963, a man fishing finds the body of a toddler who had been wrapped in blankets and weighed down by iron molds; it takes 57 years to learn the child's name.

In 1988, an 8-year-old girl goes missing; three days later, the girl's body is found in a ditch.

In 1987, the body of a 17-year-old girl is found face down on a rural road; she had been raped and strangled.

A woman storms out of a restaurant after an argument with her husband and is never seen alive again.

In 1998, a 12-year-old girl and a 38-year-old woman are found raped and murdered.

When a woman is found dead in her home, detectives are left with more questions than answers.

On June 11, 1963, a man fishing in Oregon reels in the body of a toddler; the child had been wrapped in blankets and weighed down by iron molds.

In 1974, a 5-year-old girl disappears while walking to her friend's house; after 46 years, detectives are able to put the case to rest using modern DNA technology.

In 1997, a woman is attacked on her route home; a suspect is arrested over 20 years later with the help of a genetic genealogical search.

In 1993, a 19-year-old woman is kidnapped and raped; a private forensic genealogy company is able to track down the suspect.

In 2018, a 79-year-old woman in Utah is sexually assaulted after a man breaks into her home; genetic genealogy immediately identifies the rapist.

A young couple is murdered in Montana in 1956; in 2019, investigators use voluntary genealogical databases to catch the killer.

In Sacramento, Calif., three woman are brutally assaulted by the same man; investigators use genealogy to track down the suspect.

In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered; 20 years later, revolutionary DNA testing helps to solve the cold case.

The science of familial DNA is used to identify a rapist who eluded justice for years.

How the revolutionary new science of familial DNA helped catch a rapist.

How an extensive investigation and revolutionary science of familial DNA revealed an attacker's identity.

Following the decadeslong investigation into the murder of Helene Pruszynski.

The exhaustive investigation into the murder of Tangie Sims; how genetic genealogy gave investigators the break they'd been waiting for.

With the help of familial DNA, detectives are able to track down and capture a serial rapist.

A 69-year-old woman is found brutally murdered in 2011; after the case goes cold, new DNA technology eventually leads detectives to the truth.

A decades-long police investigation includes one of the worst miscarriages of justice in UK history.

In 1994, 42-year-old Le Bich-Thuy is found dead next to her home; decades later, DNA and genealogy technology allow detectives to track down the killer.

Detectives work for decades to identify the remains of two women and find their killer.

The police investigation into the Washoe County murder.

In 1973, two young girls are found murdered in the Welsh village of Llandarcy; the killer's identity remains a mystery until 2002.

In 1993, a 19-year-old woman is kidnapped and raped; a private forensic genealogy company is able to track down the suspect.

A beloved local teacher is brutally attacked in her Pennsylvania home; after 27 years, dedicated investigators trace her killer.

A young woman is found beaten to death in Wisconsin in 1984; killer evades detection for decades until a revolutionary DNA method reveals his identity.

In 1979 two young boys find their mother's dead body in the living room; how the investigators track down the killer with no solid leads.

After being reported missing, a young couple's bodies are discovered more than sixty miles apart; how the dedicated investigators eventually find the killer.

A young woman's body is discovered close to her home in Bath, England; police eventually track down the perpetrator of the heinous attack.

In 2018, two paralegals are shot dead while at work in Scottsdale, Ariz; four more victims are linked to the killing.

Police in Southern California were called to a particularly violent murder scene; advances in forensic genealogy finally solved the case.

In 1976 a woman was left for dead in her home in southern California; despite a major manhunt, the violent killer avoided detection for over four decades.

A lorry driver is found dead behind the wheel in Camberley, England; police use a revolutionary technique of familial DNA analysis.

In 1987, the body of a 17-year-old girl is found face down on a rural road; she had been raped and strangled.

A 60-year-old pharmacist is strangled and sexually assaulted in her home; almost 50 years later her killer is tracked down using genetic genealogy.

Detectives work for decades to identify the remains of two women and find their killer.

In 1981, a mother of two is found murdered in her home in Florida.

When a woman takes a genealogy test to learn what happened to her estranged mother, she is shocked to learn that her DNA has helped law enforcement identify a Jane Doe that remained a mystery for over 40 years.

In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered; 20 years later, revolutionary DNA testing helps to solve the cold case.

In 1998, a 12-year-old girl and a 38-year-old woman are found raped and murdered.

In 1974, a 17-year-old girl is found murdered inside a culvert.

In 1987, a man finds his wife brutally murdered on the kitchen floor.

A woman storms out of a restaurant after an argument with her husband and is never seen alive again.

In 1979, a 16-year-old girl is last seen alive at Dairy Queen in Las Vegas.

In 1960, the police and community are heartbroken by the murder of a little girl.

A woman is found dead inside a cemetery in 1996.

In 2001, a 7-year-old girl is sexually assaulted on her way to school.

No episode description is available yet.

In 1981, police are shocked by the violent murder of a 35-year-old woman inside her home in an affluent town.

The body of a young woman is discovered the day after Valentine's Day in 1991.