206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
Debbie Ann Passanisi, aged 54, was found dead on July 2, 2020, in her home in Petaluma, California. The tragic discovery was made by her daughter, who found both Debbie and her husband, Mark Richard Passanisi, deceased. The Petaluma Police Department responded to the scene and initiated an investigation into what appeared to be a murder-suicide. Debbie Ann Passanisi had suffered multiple gunshot wounds and was found in a common area of the home, while Mark Richard Passanisi, aged 56, was found i ...Read More
Links to Additional Sources (6)
See any mistakes?Victim Details
Debbie Ann Passanisi
Female
White / Caucasian
Petaluma
CA
2020-07-02
54
Debbie
Ann Passanisi
11/26/2025





