Morongo Basin Deputies Arrest Juvenile Following Investigation into Planned School Attack
DATE/TIME: October 23, 2026, 9:49 A.M.
INCIDENT: Penal Code 422.3(a) - Criminal Threats Against Public or Communal Locations
LOCATION: Unincorporated area of Twentynine Palms
SUSPECT(S): 17-year-old male juvenile, resident in the unincorporated area of Twentynine Palms
VICTIM(S): Multiple - Confidential
SUMMARY:
On Friday, October 16, 2026, School Resource Officer Deputy A. Stumbo immediately began an investigation after receiving information regarding a potential threat to school staff and students at undisclosed schools within the Morongo Basin. Deputy Stumbo initiated investigative measures to assess the potential threat and identify the individual involved.
Through investigation, Deputy Stumbo developed sufficient information to obtain multiple search warrants, including a warrant for the juvenile's residence, in the unincorporated area of Twentynine Palms.
On October 23, 2026, deputies located the juvenile and took him into custody without incident. Investigators from the Morongo Basin Station, assisted by personnel from the Specialized Enforcement Division, Bombs and Arson Division, served a search warrant at the juvenile's residence and recovered evidence indicating the juvenile may have been planning an attack on local schools and staff.
The juvenile was booked into San Bernardino County Juvenile Hall for PC 422.3(a), Criminal Threats Against Public or Communal Locations.
The Sheriff’s Department takes all threats involving schools and the safety of students and staff with the utmost priority. This investigation illustrates the significance of law enforcement acting swiftly on credible information, utilizing available investigative resources, and working collaboratively to identify and address potential threats, especially within our school system. The Department encourages community members if they "See Something, Say Something." Early reporting and coordinated investigative efforts are essential to protecting our youth and staff members, and preventing potential tragedies within schools.
Anyone with information regarding this or other related types of incidents, is urged to contact the Morongo Basin Station at (760) 366 -4175. Callers wishing to remain anonymous may submit a We-Tip at https://mobile.catapultems.com/sbcsd/Sites or text “REPORT” to (844) 909-3006.
Refer: School Resource Officer Deputy A. Stumbo
Station: Morongo Basin Station
Phone No. (760) 366-4175
Case No. 232601647
SHANNON D. DICUS, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department
Address/Location
SBSD - Morongo Basin Sheriff's Department
63665 Twentynine Palms Highway
Joshua Tree, CA 92252
Contact
Emergency: 9-1-1
