1937Chicago police shot and killed 10 unarmed demonstrators during a national labor dispute outside the Republic Steel plant on Chicago’s South Side. The event earned the title as the “Memorial Day Massacre.” The Steel Workers Organizing Committee had organized the “Little Steel strike” after smaller manufacturers declined to sign a union contract like the much larger U.S. Steel entered.1991The U.S. Supreme Court ruled in Burns v. Reed that prosecutors can be held civilly accountable for legal …