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True CRMZ

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

Bloodline Detectives

Cathy Swartz Three Rivers Killer

Stacy Lyn Chahorski Mudery by 1-59

Donna Sue Murder on Elm Street

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

Murder in Marietta

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.

Carrie's Courage

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

Murder in Apartment 101

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

Justice Delayed

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.

The Mississippi Rapist

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.

Double Homicide in the OC

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

The Phoenix Canal Killer

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

Mommy Has Been Murdered

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.

The Huntington Beach Body

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S4 E73 | Cathy Swartz Three Rivers Killer

E73 | Cathy Swartz Three Rivers Killer

E66 | Stacy Lyn Chahorski Mudery by 1-59

E63 | Donna Sue Murder on Elm Street

E20 | Murder in Marietta

E18 | Carrie's Courage

E17 | Murder in Apartment 101

E16 | Justice Delayed

E15 | The Mississippi Rapist

E14 | Double Homicide in the OC

E12 | The Phoenix Canal Killer

E11 | Mommy Has Been Murdered

E10 | The Huntington Beach Body