Detectives Arrest Rancho Cucamonga Resident for Child Pornography After Receiving a Cyber Tip from NCMEC
DATE/TIME: September 24, 2026 / 11:08 a.m.
INCIDENT: PC 311.11(a) - Possession of Child Pornography
LOCATION: 5800 Block of Magnolia Way, Rancho Cucamonga, California
SUSPECT(S): Adam Quach, a 21-year-old Resident of Rancho Cucamonga
VICTIM(S): State of California
SUMMARY: Rancho Cucamonga Station detectives received a CyberTip from the National Center for Missing and Exploited Children (NCMEC) concerning the upload of child sexual abuse material. During the investigation, Adam Quach was identified as the suspect. Investigators located several images and videos of child sexual abuse material in Quach's electronic devices.
On Thursday, September 24, 2026, at the conclusion of the investigation, Quach was arrested and booked at the West Valley Detention Center in Rancho Cucamonga for violation of PC 311.11(a) - Possession of Child Pornography in lieu of $50,000 bail.
Anyone with information regarding this incident is encouraged to contact Detective Antonio Alcala of the San Bernardino County Sheriff’s Department, Rancho Cucamonga 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: Detective Antonio Alcala
Station: Rancho Cucamonga Station
Phone No. (909) 477-2800
Case No. 112600562
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
