Synopsis

In the Napa Valley, on the night of October 24, 2004, a horrific crime unfolded within a quiet home. Adriane Insogna and Leslie Mazzara, two young women, were brutally murdered in their residence. The perpetrator remained unseen by their roommate, yet left behind a trail of evidence – cigarette butts containing DNA that would ultimately reveal his identity, including his race, eye color, and hair color. The investigation that followed relied on this groundbreaking forensic analysis to identi