Driver’s License/ DUI Checkpoint Results

Nature of Incident:

Driver’s License/ DUI Checkpoint Results

Report Number:

26-36811 (Fierro)
26-36886 (McDow)

Location:

Thousand Oaks, CA

Date & Time:

March 21^st, 2026, from 8:00 pm to 2:00 am

Unit(s) Responsible:

Thousand Oaks Police Department- Traffic Bureau

(S)uspects, (V)ictims, (P)arty, (D)ecedent

City of Residence

Age

(S) Fierro, Jonathen
(S) McDow, DeMario

Simi Valley
Thousand Oaks

35
37

Narrative:

Thousand Oaks, Calif. – On March 21^st, 2026, a DUI/ Driver’s License Checkpoint was held at East Olsen Road east of Hardy Lane from 8:00 PM to 02:00 AM. A total of 706 drivers were contacted. Eight drivers were cited for operating a vehicle with license violations and one driver was cited for other vehicle code violations. Thirty-two drivers were checked for impairment using field sobriety standard tests (SFST’s). Two drivers, (S) Fierro, Jonathen and (S) McDow, DeMario, were arrested for operating a motor vehicle while under the influence of alcohol, a violation of VC 23152(a) and operating a motor vehicle with a BAC level over .08, a violation of VC 23152(b). DUI checkpoint locations are determined based on reported incidents of impaired driving-related crashes and areas of high traffic accident occurrences. The primary purpose of a DUI checkpoint is to promote public safety by taking suspected impaired drivers off roads. Funding for this checkpoint was provided by a grant from the California Office of Traffic Safety, through the National Highway Traffic Safety Administration.

Prepared by:	Sr. Dep. Andres Trujillo
News Release Date:	March 24^th, 2026
Media Follow-Up Contact:	Sr. Dep. Andres Trujillo Cell (805) 494-8268 [email protected]
Approved by:	Captain James Sullivan

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

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