An inmate once housed in San Diego allegedly stabbed a supervising correctional officer in the head this week at a prison in Lancaster.
The assault occurred around 11:45 a.m. Monday at California State Prison, Los Angeles County, when Cosmin Badiu, 28, allegedly attacked the officer in the prison yard, according to the California Department of Corrections and Rehabilitation (CDCR).
The officer was treated at the prison infirmary before being transported to an outside hospital…