DATE/TIME: Friday, December 12, 2025, at 7:42 am
INCIDENT: PC 664/187(A): ATTEMPT MURDER
LOCATION: 22200 block of National Trails Highway, Oro Grande
SUSPECT(S): Kristy Oliphant, age 47, resident of Oro Grande
VICTIM(S): Confidential
SUMMARY:
On Friday, December 12, 2025, at 7:42 am, deputies from the Victor Valley Station responded to a report of a poisoning at a residence in the 22200 block of National Trails Highway, in Oro Grande.
Upon arrival, deputies contacted an adult male victim who reported he had been poisoned with fentanyl in October. During the investigation, deputies learned the victim had been in a relationship with the suspect, Kristy Oliphant. Oliphant went to his residence and administered fentanyl and oxycodone without his knowledge.
Deputies also learned the victim became aware the narcotics had been administered when an argument occurred between he and Oliphant.
Oliphant was arrested and transported to the High Desert Detention Center where she is being held in lieu of $1,000,000 bail.
Anyone with information about this investigation is asked to contact the Victor Valley station at (760) 552-6800 or Sheriff’s Dispatch at (760) 956-5001. Callers wishing to remain anonymous are urged to call the We-Tip Hotline at 1-800-78CRIME (27463) or leave information on the We-Tip website at www.wetip.com.
Refer: Deputy E. Martinez
Station: Victor Valley
Phone No. 760-552-6800
Case No. 072503953
SHANNON D. DICUS, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department
