137 A.2d 472 Commonwealth v. Redline, Appellant. Supreme Court of Pennsylvania.May 28, 1957. January 10, 1958. Criminal law — Murder — First degree murder — Words and Phrases — Felony-murder doctrine — Armed robbery — Homicide by third person — Justifiable killing of fleeing felon by policeman — Guilt of co-felon — The Penal Code. […]