Historical clue formulations

• Al Capone adversary who only ever met him once in person — 2025-03-16
• Renowned 1920s raider — 2015-04-11
• Noted Volstead Act enforcer — 2010-01-29
• Officer who was still hunting in the 1920s-'30s — 2009-10-10
• 1920's-30's lawman — 2001-12-08
• 1987 Kevin Costner role — 1995-08-12