212 A.2d 499 THOMAS v. WARDEN OF THE MARYLAND PENITENTIARY [App. No. 50, September Term, 1964.]Court of Appeals of Maryland. Decided August 5, 1965. POST CONVICTION PROCEDURE ACT — Supreme Court Has Held Mapp v. Ohio Is Not Retroactive — Applicant Was Sentenced Six Months Before Mapp Was Decided, Hence, It Was Immaterial That Evidence […]