Massachusetts Supreme Judicial Court December 13, 2011 (Dempsey v. Chief of Police of Somerville)

John Dempsey appeals from a judgment of a single justice of this court denying, without a hearing, his petition for extraordinary relief under G. L. c. 211, § 3. “In seeking relief under G. L. c. 211, § 3, it was the petitioner's] burden to create a record — not merely to allege but to demonstrate, i.e.