In 2018, Joseph DeAngelo was arrested for a series of murders committed in the 1970s and ‘80s using genetic genealogy.

Jacob Cockcroft began to think about his unsolved grandmother's murder case after hearing about the Golden State Killer.

Hazelle Fenty was found dead in a Daytona Beach church in 1992, and her case has remained unsolved for over 30 years.

Hazelle was described as independent and involved in the church.

Her brutal murder, including sexual assault, was described as a rare phenomenon.

Jacob is hoping new DNA technology will help solve his grandmother's case and bring justice.

In 2012, investigators solved the high-profile case of Maria Ridulph's kidnapping, but less than five years later, the man convicted was found innocent.

Jack McCullough, previously known as John Tessier, was released in 2016 after spending nearly five years in prison.

The case unraveled due to wrongful conviction and police mishandling.

Maria disappeared in 1957 while playing with her friend Kathy, leading to a nationwide search.

McCullough's stepsister accused him on her deathbed, but he had an alibi.

Eyewitness testimony led to his conviction, which was later overturned after evidence proved his innocence.

The case remains unsolved.

In December 2016, 19-year-old Sarah Stern disappeared from Neptune City, New Jersey. Initially thought to have run away or taken her life, investigators later discovered she was murdered by Liam McAtasney and his friend Preston over money, leading to their arrests.