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Ventura County Sheriff's Office
Wednesday December 29th, 2021 :: 09:03 p.m. PST


Felon in Possession of a Firearm Arrested

Nature of Incident: Felon in Possession of Firearm, Ammunition, and Narcotics
Report Number: 21-177242
Location: 500 Block of Central Avenue, Fillmore
600 Block of River Street, Fillmore
Date & Time:
December 29, 2021 at 7:00 AM
Unit(s) Responsible:
Sheriff’s Gang Unit, Fillmore Patrol Station
(S)uspects, (V)ictims, (P)arty, (D)ecedent

City of Residence

(S) Plunkett, Mark Anthony
On December 29, 2021, Fillmore resident Mark Plunkett was arrested for various firearms, ammunition, and narcotics violations. 

In December 2021, detectives from the Ventura County Sheriff’s Gang Unit (SGU) began investigating Plunkett for unlawful firearm possession.  Plunkett is a convicted felon and on parole for PC 245(a)(2) – Assault with a Firearm.
On December 29, 2021, at approximately 7:00 AM, SGU detectives, with the assistance of Fillmore Patrol Station personnel, contacted and detained Plunkett in the 500 block of Central Avenue in Fillmore. Detectives subsequently served a search warrant at Plunkett’s residences in the 500 block of Central Avenue and 600 block of River Street in Fillmore.   

Detectives determined Plunkett was in possession of an unregistered “Ghost Gun” 9mm semi-automatic handgun, ammunition, high-capacity ammunition magazines, and illicit drugs.      
Plunkett was arrested for being a convicted felon in possession of a firearm, ammunition, and a high-capacity ammunition magazine.  Additionally, he was arrested for possession of cocaine for sale, possession of cocaine while in possession of a firearm, and a felony parole violation.  Plunkett was booked into the Ventura County Jail and his bail was set at $500,000.   
There has been an increase of “Ghost Guns”, crudely manufactured firearms, and illegal firearm activities in Ventura County. If you have any information about unlawful firearm activities in the West County areas in the Sheriff’s Office jurisdiction, including in Fillmore, Saticoy, El Rio, and Ojai areas, please contact Detective Sergeant Beau Rodriguez at (805) 767-0360.    

The Ventura County Sheriff’s Office is grateful members of the public for their continued support and diligence in providing information to assist our agency in solving crimes.  We are better at what we do because of our community partnerships.
Join us in the fight on crime by following us on Twitter @VENTURASHERIFF, Facebook, Instagram @ VCSHERIFF, and with Nixle by texting your zip code to 888777 to receive local law enforcement and public safety alerts and advisories.     
Prepared by: Sergeant Beau Rodriguez  
News Release Date: 12/29/2021  
Media Follow-Up Contact: Detective Eric Hernandez
[email protected]
Approved by:
Captain Don Aguilar  

Ventura County Sheriff's Office
800 S Victoria Ave
Ventura, CA 93003

Emergency: 9-1-1
Non-emergencies: 805-654-9511

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