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

Full Notification

SBSD - Central
Wednesday July 29th, 2020 :: 11:53 a.m. PDT


Homicide detectives arrest Roberto Ponciano for the murder of Ruben Colunga

DATE/TIME: Saturday, July 25, 2020 12:06 a.m.

INCIDENT: Fatal Traffic Collision/Murder Investigation

LOCATION: Grand and Valley, Colton

VICTIM(S): Ruben Colunga, age 50, a resident of Colton (deceased)
Gary Martinez, age 56, a resident of Colton

SUSPECT: Roberto Ponciano, age 29 a resident of Rialto

On Saturday, July 25, 2020, at approximately 12:06 a.m., deputies from the Central Station, Officers from the California Highway Patrol and, Colton Police Department responded to the area of Grand and Valley following the report of a traffic collision with two victims in the roadway. The two victims were located with injuries and transported to a local area hospital. At approximately 4:09 a.m., Ruben Colunga succumbed to his injuries and was pronounced deceased. Martinez was hospitalized due to his injuries.

Detectives from the Specialized Investigations Division - Homicide Detail and a deputy from the Major Accident Investigation Team were requested and responded to the location to conduct the investigation. After the investigation, a warrant for Roberto Ponciano was obtained, and deputies from the Specialized Enforcement Division were asked to assist in locating the suspect.

On Tuesday, July 28, 2020, deputies from the Specialized Enforcement Division located and arrested Roberto Ponciano. He was transported and booked into the West Valley Detention for PC187 Murder. Ponciano is being held without bail and is scheduled for court on July 30, 2020.

No additional information is being released at this time.

The investigation is ongoing; anyone with information is asked to contact Detective Bruce Southworth, Homicide Detail at (909) 387-3589. Callers can remain anonymous and contact WeTip at 800-78CRIME or

Refer: Detective Bruce Southworth or Sergeant AJ Gibilterra

Station: Specialized Investigations Division – Homicide Detail

Phone No. (909)387-3589

Case No. DR#012001915 H#2020-071

JOHN McMAHON, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department

SBSD - Central
655 E 3rd St
San Bernardino, CA 92408

Emergency: 9-1-1
Non-emergencies: 909-387-3700

Navigate & Discover