The Napa Halloween Murders

In this in-depth true crime case, we explore the haunting story of Leslie Mazzara and Adriane Insogna, two bright and ambitious young women who were tragically murdered in their Napa home. What began as a festive evening handing out candy ended in horror — and it would take nearly a year, a mysterious cigarette butt, and a shocking confession to reveal the killer’s identity: Eric Copple, the fiancé of the victims’ close friend.

We’ll walk you through the events leading up to the crime, the harrowing experience of the sole surviving roommate, the massive investigation, and the chilling motive that was never fully explained. This is a story of friendship, betrayal, loss, and the long road to justice.

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