A Los Angeles County sheriff's custody assistant has been charged with assault for his role in the attack of a jail inmate two years ago, the Los Angeles County District Attorney's Office announced today.

Jonathan Grijalva (dob 12/6/88) was charged in case BA451349 with one count of assault by means of force likely to produce great bodily injury. He is expected to be arraigned today in Department 30 of the Foltz Criminal Justice Center.

The case is being prosecuted by the Justice System Integrity Division.

On Feb. 15, 2014, Grijalva was working at the North County Correctional Facility and assigned to supervise inmates in several dormitories. Grijalva was allegedly approached by an inmate who asked the defendant to leave the area so another inmate could be beaten.

Grijalva is accused of walking away and then refusing access to medical attention to the inmate who was assaulted. The inmate suffered a fractured jaw and nose.

Raul McDonald (dob 6/8/67) also was charged with assault. McDonald, an inmate, is accused of standing guard and ensuring no one interrupted the attack. He has pleaded not guilty.

If convicted as charged, Grijalva faces up to four years in state prison, while McDonald could receive up to an eight-year term.

The case remains under investigation by the Los Angeles County Sheriff's Department.

Los Angeles County District Attorney / case BA451349 / November 29, 2016