A 38-year-old firefighter accused of setting multiple fires in Northern California had received firefighting training while serving a six-year state prison sentence for gross vehicular manslaughter, according to state corrections officials.

Public records show a CAL FIRE employee charged with starting five brush fires spent months as an inmate firefighter after being convicted of causing a fatal collision.

Robert Hernandez is charged with starting four fires since Aug. 15. He appeared in court Tuesday and a judge ordered him to be held without bail.