After appellant filed a request for disclosure of police personnel records under Pitchess v. Superior Court (1974) 11 Cal.3d 531, the trial court erred in two respects: (1) it failed to obtain sworn testimony from the custodian of records explaining what documents in the personnel files were withheld and why they were deemed nonresponsive; and (2) the court’s order to disclose some information was not communicated to the parties.