133. Leslie Anne Mazzara and Adriane Insogna – The Halloween Rage

On this episode of MWMH, Payton and Garrett discuss the double homicide of Leslie Ann Mazzara and Adriane Insogna.


Case Sources:

Abcnews.go.com, “Sole Survivor of Napa Killings Speaks, by ABC News, October 6, 2005


Latimes.com, “Suspect Consoled Victims’ Families,” by Rone Tempest, September 30, 2005


Cbsnews.com, “Nightmare in Napa,” CBS News, April 19, 2007


Napavalleyregister.com, “Chief Melton retires after 10 years with Napa police,” by Kerana Todorov, December 20, 2014, updated January 2, 2015


Napavalleyregister.com, “ “by Marsha Dorgan, December 6, 2006, updated May 18, 2018


Napavalleyregister.com, “Napa double-murder to be featured on Oxygen,” by Maria Sestito, October 14, 2017


Napavalleyregister.com, “Breaking the code,” by Alisha Wyman, March 22, 2010, updated December 12, 2013


Napavalleyregister.com, “Marriage dissolutions,” April 20, 2008


Napavalleyregister.com, “Napa prosecutor wins top honors,” by Marsha Dorgan, May 25, 2007


Napavalleyregister.com, “What made Copple kill?” by Marsha Dorgan, January 21, 2007


Napavalleyregister.com, “Copple admits guilt in double murder,” by Marsha Dorgan, December 6, 2006, updated May 18, 2018


Napavalleyregister.com, “Breaking News: Thursday 6:30 p.m. Update – Copple sentenced in Napa double murder,” by Marsha Dorgan, January 11, 2007


Napavalleyregister.com, “Cell phone S.O.S.,” by Kevin Courtney, December 15, 2006


Napavalleyregister.com, “Copple pleads guilty to double murder charges,” by Marsha Dorgan, December 7, 2006


Napavalleyregister.com, “Survivior of murder scene tells her story,” by David Ryan, October 6, 2005


Napavalleyregister.com, “DNA points to Copple as the killer,” by Marsha Dorgan, October 1, 2005


Napavalleyregister.com, “Police: Copple ‘knew we were closing in,’” by Marsha Dorgan, September 30, 2005


The Weekly Calistogan, “Murder reward fund goes to help several charities,” by Marsha Dorgan, March 8, 2007


The Weekly Calistogan, “Copple makes the move to San Quentin,” by Marsha Dorgan, January 25, 2007


The Weekly Calistogan, “Double murder suspect pleads not guilty,” by Marsha Dorgan, July 20, 2006

Sfgate.com, “NAPA / House invaded, 2 women killed / Third roommate escapes the attack, calls 911 for help,” by Pamela J. Podger, November 2, 2004


Legacy.com, “Leslie Mazzara Obituary”


Legacy.com, “Adriane Insogna Obituary”




Swordandscale.com, “Jealous Rage to Double Murder in Napa Valley,” blog, October 26, 2017








Forensicfilesnow.com, “Eric Copple: Unfiltered Rage,” by “RR,” February 16, 2018







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