
This episode covers the brutal murder of 21-year-old Helene Pruszynski in January 1980 in Englewood, Colorado, the investigation that followed, and the eventual breakthrough using genetic genealogy.
Helene Pruszynski went missing after leaving work, and her body was discovered shortly after, showing signs of sexual assault and multiple stab wounds. Nancy Grace discusses the initial investigation efforts by the Englewood Police Department and the community's concern over a potential serial killer.
Detectives faced challenges as the case went cold for decades despite various leads and the collection of DNA evidence. The episode highlights the frustration of investigators as they waited for advancements in forensic science.
In 2019, a new method called genetic genealogy was introduced, leading investigators to potential relatives of the suspect. This method ultimately helped identify James Curtis Clanton as the killer, who was arrested and later confessed to the crime.
The episode concludes with Clanton's trial and sentencing, emphasizing the impact of Helene's murder on her family and the community, and the role of modern forensic techniques in solving cold cases.
The episode details Helene Pruszynski's murder and how genetic genealogy led to her killer's identification after nearly 40 years.

This episode stands out for the following:
The sheer brutality of this event was a shock.Bloodline Detectives - Episode 17 - The Murder of Helene Pruszynski
She was a remarkable young woman.Bloodline Detectives - Episode 17 - The Murder of Helene Pruszynski
Four years for a violent crime like that is incredibly shocking.Bloodline Detectives - Episode 17 - The Murder of Helene Pruszynski
I was like, holy crap, no freaking way.Bloodline Detectives - Episode 17 - The Murder of Helene Pruszynski
He stated from the very beginning that he wanted to plead guilty.Bloodline Detectives - Episode 17 - The Murder of Helene Pruszynski
Absolutely he deserves the death penalty if we had one.Bloodline Detectives - Episode 17 - The Murder of Helene Pruszynski