Bloodline Detectives: Hosted by Nancy Grace

The NorCal Rapist terrorizes the women of North California for years until forensic science can identify him.

The murder of Carol Sue Klaber is cold for decades until new technology can finally bring her killer to light.

Donna Sue Hyatt's murder is unsolved for decades until modern forensic science catches up.

The identities of a woman and her killer are mysteries for years until genetic genealogy offers answers.

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

A Jane Doe found by the side of the I-59 is unidentified until forensic science provides answers years later.

Both the killer and the victim of a slaying in Huntington Beach are revealed after 52 years using DNA science.

Police work for decades with emerging forensic sciences to identify the killer of two women in Lake Tahoe.

Through detailed genetic profiling, the cold case of who killed Robin Brooks is finally cracked years later.

Cutting-edge DNA science finally names the Phoenix Canal Killer who terrorized the city in the early 90s.

Investigative genetic genealogy is used to resolve the 1988 murder of a mother killed in front of her toddler.

Investigative genetic genealogy reveals the killer of a young mother murdered in her own home 34 years prior.

Forensic science reveals the name of a sadistic killer who murdered two women in the late 80s.

A man who raped two women in 1990 is put behind bars thirty years later thanks to advancements in science.

DNA science unveils a predator who sexually assaulted a 20-year-old before shooting her in Washington in 1972.

In 2022, investigative genetic genealogy exposes a killer who stabbed a woman to death in her home in 1980.

A woman who was sexually assaulted at gunpoint in the 1980s contacts a genetic genealogist to solve her case.

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

The 1972 rape and murder of 9-year-old Debbie Lynn Randall is solved thanks to new science 50 years later.