Alberto Martinez, 46, was knocked to the ground and beaten by three inmates in the prison yard at Calipatria State Prison in ...

Alberto Martinez, a convicted murderer who was involved in the Mexican Mafia, was attacked and killed by three inmates at ...

Where prisons are located, the way they are built, and the health condition of prisoners means deaths will likely increase ...

A mafia member on death row was beaten to death by three other inmates at a prison in Southern California, officials said. No staff or other inmates were injured.

A condemned inmate at a Southern California prison was beaten to death by three other inmates this week, the California ...

Alberto Martinez had been in prison since 2010, after he was found guilty of killing a Buena Park businessman.

A Southern California man charged with shooting and wounding two Jewish men as they left synagogues in Los Angeles last year ...

Alberto Martinez was the getaway driver for the 2002 abduction and slaying of Buena Park businessman David Montemayor.

The Bay Area man was killed last week in a California prison where he'd been serving a life sentence for murdering a close ...

The measure comes in response to an increase in high-profile “smash-and-grab” robberies and the fentanyl crisis.

A homicide investigation is underway after Jacob Kober of Livermore was found unresponsive in his cell at the Kern Valley ...

David Leonardo, 39, was originally sentenced to 15 years to life for killing Priscilla Rose Hernandez in 2011.