San Bernardino County Sheriff’s Department

Press Release

**UPDATE** Thursday September 24, 2015 3:15 pm

DATE: Thursday September 17, 2015 6:28am
INCIDENT: Homicide Investigation
LOCATION: Kenyon Park- 11481 Kenyon Way, Rancho Cucamonga
VICTIM: Mark Anthony Riveral, 34, Rancho Cucamonga
2003 White Toyota Camry 4 – door



On Thursday, September 17, 2015, at 6:28 a.m. deputies responded to Kenyon Park for an unresponsive male in the park. The male was deceased and ultimately identified as Mark Riveral, a Rancho Cucamonga resident.

Mark Riveral suffered from injuries to his torso, that were determined to have caused his death. The death has been deemed a homicide.

Mark Riveral’s white Toyota Camry was parked on a street near the park.

It is not known Riveral’s purpose for being at the park or if he was to meet with anyone at the park.

Investigators have determined the homicide occurred between Wednesday, September 16, 2015 at 10:30 p.m. and Thursday, September 17, 2015 at 6:28 a.m. Investigators are seeking the public’s assistance in identifying anyone that may have seen or heard anything during the time of the incident. Investigators would also like information from anyone who had recent contact with Mark Riveral.

Mark Anthony Riveral Photo

Anyone with information regarding this investigation is urged to contact Detective Patty Ruiz at (909)387-3589. Callers wishing to remain anonymous are urged to call the We-tip Hotline at 1-800-78-CRIME (27463) or you may leave information on the We-Tip Hotline at

Refer: Sergeant John Gaffney or Detective Patty Ruiz

Station: Specialized Investigations Division – Homicide Detail

Phone No. (909)387-3589

Case No. 111510916 H#2015-82

John McMahon, Sheriff-Coroner

San Bernardino County Sheriff-Coroner Department

Sheriff’s Public Affairs Division

655 E. Third Street

San Bernardino, California 92415-0061

Telephone: (909) 387-3700