LOS ANGELES—A serial killer who pleaded guilty last year to a crime spree in Los Angeles and Santa Monica that left five men dead and seven others injured, along with the killings of his aunt and uncle in Texas, has been charged with murdering his cellmate in a Kern County prison, authorities announced on Sept. 18.
Ramon Alberto Escobar is set to be arraigned Sept. 20 in connection with the Feb. 24 strangulation of Juan Villanueva at North Kern State Prison, according to the Kern County District Attorney’s Office.