Cal. Penal Code § 4852.1

(a) The court in which the petition is filed may require testimony as it deems necessary, and the production, for the use of the court and without expense of any kind to the petitioner, of all records and reports relating to the petitioner and the crime of which he or she was convicted, including the following: (1) The record of the trial. (2) The report of the probation officer, if any. (3) The records of the prison, jail, detention facility, or other penal institution from which the petitioner has been released showing his or her conduct during the time he or she was there, including the records of the penal institution, jail, or agency doctor and psychiatrist. (4) The records of the parole officer concerning the petitioner if the petitioner was released on parole, records of the probation officer concerning the petitioner if the petitioner was released on postrelease community supervision or mandatory supervision, or the records of the Department of Corrections and Rehabilitation, Division of Juvenile Facilities concerning the petitioner if the petitioner had been committed to that authority. (5) The written reports or records of any other law enforcement agency concerning the conduct of the petitioner since the petitioner’s release on probation, parole, postrelease community supervision, or mandatory supervision, or discharge from custody.