The story
From rogues (“plural of rogue (‘rascal, scoundrel’)”) + -' + gallery, popularized by the American detectives Allan Pinkerton (1819–1884) and Thomas F. Byrnes (1842–1910).
Etymology from Wiktionary, CC BY-SA 4.0.
rogues' gallery
rogues’ gal·le·ryToday it means: A set of pictures of convicted or suspected criminals used in law enforcement investigations to help witnesses identify suspects. Full definition →