289 A.2d 455 Commonwealth v. Clopton, Appellant. Supreme Court of Pennsylvania.November 16, 1971. March 21, 1972. Criminal Law — Attempted murder — Common law crime — Use of poison, knives and gun — Act of June 24, 1939, P. L. 872, §§ 710 and 711. 1. Acts constituting attempted murder at common law by the […]