Inmate from San Diego County Accused in Prison Stabbing Death

SAN DIEGO—A former San Diego County inmate who was transferred to Kern Valley State Prison to serve an 18-year sentence for robbery was under investigation along with another inmate for allegedly stabbing another inmate to death, corrections officials said Saturday. Luis Alvidrez, 33, of San Diego, and Roland C. Corona, 57, allegedly fatally attacked fellow inmate, Isaac Duran, 41, at about 2:55 p.m. on Oct. 14, according to the California Department of Corrections and Rehabilitation. Mr. Duran sustained multiple stab wounds and was taken to an outside medical facility for a higher level of care. He was pronounced dead at 9:14 p.m. Thursday while under the care of medical staff at Kern Medical Center in Bakersfield, according to officials....