Receive alerts from your local agencies
...or text your ZIP CODE to 888777 for mobile alerts

Full Notification

SBSD - Rancho Cucamonga Police Department
Wednesday May 20th, 2026 :: 03:36 p.m. PDT

Advisory

Suspected Narcotics Possession Leads to Arrest Under Proposition 36

DATE/TIME: May 20, 2026 at 12:05 A.M.

INCIDENT: HS 11395 (B)(1)- Possession of a controlled substance with 2+ priors

LOCATION: Market Pl. / Foothill Blvd, Rancho Cucamonga

SUSPECT(S): Mario Tito Diaz, 46-year-old, Resident of Rancho Cucamonga

VICTIM(S): State of California

SUMMARY: On November 5, 2024, California voters passed Proposition 36 titled “The Homelessness, Drug Addiction and Theft Reduction Act.” The proposition took effect on December 18, 2024, and reforms multiple laws from Proposition 47, which have been responsible for increasing homelessness, drug addiction and theft. Proposition 36 includes several new Penal and Health and Safety Codes that deputies will be able to apply during arrests when appropriate. These new charges can carry enhanced sentencing, as well as prevent offenders from being cite released prior to their court appearance. The following is an arrest where Proposition 6 is applied:

On May 20, 2026, at approximately 12:05 A.M., deputies were proactively patrolling the area of Market Pl. and Foothill Blvd, when they contacted Mario Tito Diaz. Diaz was found to be in possession of suspected methamphetamine. Diaz had prior convictions for drug related offenses of H&S 11395(B)(1)- Possession of a controlled substance with priors.

Diaz was arrested and booked at the West Valley Detention Center for HS11395(B)(1)- Possession of Narcotics/Paraphernalia with two prior convictions. 

Anyone with information regarding this incident is asked to contact the Rancho Cucamonga Sheriff’s Station at (909)477-2800. Callers wishing to remain anonymous should call or text “REPORT” to We-Tip at 844-909-3006.  Online reporting is also available at https://mobile.catapultems.com/sbcsd/Sites.

Refer: Deputy M. Acuna / Deputy M. Hurtado

Station: Rancho Cucamonga

Phone No: (909)477-2800

Case No.112605520

SHANNON D. DICUS, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department

Address/Location
SBSD - Rancho Cucamonga Police Department
10510 Civic Center Dr
Rancho Cucamonga, CA 91730

Contact
Emergency: 9-1-1
Non-emergencies: 909-477-2800

Navigate & Discover