California prisoner beaten to death in targeted two-on-one ambush: CDCR

California prison officials are investigating the fatal stabbing of inmate Mario Ramos at Calipatria State Prison following a violent two-on-one attack in the prison yard. / CDCR

A homicide investigation is underway at Calipatria State Prison following the death of an inmate, according to the California Department of Corrections and Rehabilitation.

What we know:

The incident happened on Sunday, Jan. 11 around 9:35 a.m. in the Facility A Yard, officials said.

Prison staff saw two inmates, Deandre Powell and Phillip Dimacali, allegedly assaulting the victim, Mario Ramos, with a weapon.

Although staff intervened right away and performed CPR on Ramos, he died at the scene. 

Powell and Dimacali were secured and isolated immediately following the alleged attack. Both are currently in restricted housing.

What we don't know:

Officials did not disclose what the weapon was.

The backstory:

Ramos, 48, had been incarcerated since 2001, serving an 85-year sentence for multiple counts of second-degree robbery and attempted robbery in Los Angeles County. His earliest possible release date was scheduled for 2065. 

Powell, 30, is serving a 12-year-sentence for robbery and assault with a firearm in Los Angeles County. 

Dimacali, 38, is serving a life sentence for two counts of first-degree murder in Los Angeles County. 

What's next:

A joint investigation by the prison’s Investigative Services Unit and the Imperial County District Attorney’s Office is underway.

Criminal charges for the fatal assault are pending the outcome of the investigation.

The Source: This report is based on an official news release from the California Department of Corrections and Rehabilitation.

Crime and Public SafetyCaliforniaInstastories