Hackworth v. Progressive Casualty Insurance Company550 U.S. 969 SCOTUS2007Check TreatmentCheck Treatment 127 S.Ct. 2883 (2007) Kelly HACKWORTH, petitioner, v. PROGRESSIVE CASUALTY INSURANCE COMPANY, et al. No. 06-1300. Supreme Court of United States. May 29, 2007. Petition for writ of certiorari to the United States Court of Appeals for the Tenth Circuit denied.