LANCASTER – The death of an inmate early Tuesday morning at the California state prison in Lancaster is being investigated as a murder, authorities said.
The inmate, whose name is being withheld pending next of kin notification, was found unresponsive in his cell and pronounced dead at 1:18 a.m.
Prison officials have named his cellmate, Aaron Alvarez, 42, as the suspect in the case.
Alvarez has been placed in the administrative segregation unit pending the investigation.
The victim was serving a life sentence for aggravated sexual assault of a child.
He was received by California Department of Corrections and Rehabilitation (CDCR) on November 30, 1999 from San Diego County.
Murder suspect Alvarez was serving a life sentence for first-degree murder. He was received by CDCR on July 11, 2008 from Kern County.
The case is under investigation by the prison’s Investigative Services Unit and the Los Angeles County Sheriff’s Department.
The Los Angeles County District Attorney’s Office has also been notified.
(Information via press report from the California Department of Corrections and Rehabilitation.)
Updated 6/1/12 @ 9 a.m.: The dead inmate has been identified as Francisco Aguilar, 36.