Additional Arrest Made in Fillmore Stabbing Investigation
June 21, 2025 – Ventura County Sheriff's Office officials report that on April 15, 2025 (04/15/2025), at 
about 2:22 P.M., deputies from the Fillmore Station responded to the 400 block of Mountain View Street in Fillmore reference several individuals fighting.
Upon arrival, deputies located an adult male suffering from a stab wound. The victim was transported via ambulance to a local hospital for medical care. Additionally, a second victim suffering from a stab wound arrived at the Fillmore Police Station seeking emergency medical assistance. That person was also transported via ambulance to a local hospital for medical care.
Over the next one and a half months, detectives with the Fillmore Bureau of Investigation continued to actively work the investigation calling upon public assistance and assistance from other units within the Sheriff’s Office. During this time, detectives identified (S) Nathan Alverdi as a suspect who confronted, dissuaded, and battered a diligent member of the community while they attempted to gather information and pursue official recourse during the incident.
On June 18, 2025, detectives from the Fillmore Bureau of Investigation and West County Special Enforcement Unit contacted 22-year-old Nathan Alverdi during a warrant service in the 200 block of Mutau Circle in Fillmore. During the warrant service, additional evidence linking Alverdi to a criminal street gang and the stabbing incident was located.
As a result, Alverdi was arrested for Penal Code § 136.1 – [Dissuading a Witness by Force or Threat], Penal Code § 186.22(b)(1) – [For the Benefit of the Gang], Penal Code § 242 – [Battery], and Penal Code § 186.22(d) – [Participation in a Criminal Street Gang] for his involvement with the incident. He was transported to the Main Jail where he was booked pending court proceedings.
Any person with information regarding the stabbing is encouraged to reach out to detectives and utilize the link or QR code provided below to download and submit any video footage of the incident.
https://venturasheriffca.evidence.com/axon/community-request/public/25-45967 or by scanning the following QR code: 
The Ventura County Sheriff’s Office would like to thank members of the public for their on-going support and due 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 “X” @fillmoresheriff, Facebook, Instagram @VCSHERIFF and @FILLMOREPD, and with Nixle by texting your zip code to 888777 to receive local law enforcement and public safety alerts and advisories.
|
Nature of Incident: |
Additional Arrest Made in Fillmore Stabbing Investigation |
||
|
Report Number: |
25-74900 |
||
|
Location: |
400 block of Mountain View Street, Fillmore |
||
|
Date & Time: |
04/15/2025, 2:22 PM |
||
|
Unit(s) Responsible: |
Fillmore Bureau of Investigations, West County Special Enforcement Unit |
||
|
(S)uspects, (V)ictims, (P)arty, (D)ecedent |
City of Residence |
Age |
|
|
(S) Nathan Alverdi |
Fillmore |
22 |
|
Ventura County Crime Stoppers will pay up to a $1,000 reward for information, which leads to arrest and criminal complaint against the person(s) responsible for this crime. The caller may remain anonymous. The call is not recorded. Call Crime Stoppers at 800-222-TIPS (8477).
Source: Ventura County Sheriff's Office
