The requester may proceed by a petition for alternative writ of mandamus or by summons and complaint, often accompanied by a motion to shorten time for answer since the records custodian has already considered and denied access to the requested records and may not add to the justifications set forth in the denial letter. See Wis. Stat. § 801.02(5); Newspapers, Inc. v. Breier, 89 Wis. 2d 417, 427, 279 N.W.2d 417 (1979).