[This story contains major spoilers from the Mayor of Kingstown season four finale.] The introduction of Detroit crime boss Frank Moses, played by Lennie James, in Mayor of Kingstown season four was different than any prior foes faced by fixer Mike McLusky (Jeremy Renner) in the show’s fictional Michigan town full of maximum-security prisons. Leading protagonist McLusky has taken on the Russian mob, Aryan Brotherhood gangs and Columbian drug dealers, but Frank Moses is a smoother and more calculating criminal. If the average person met Moses without knowing his line of work, one might assume he was a successful businessman from Detroit who has traveled the world; he can engage in conversation about the rarest of art, artifacts or vintage wine from around the globe, and chat about vinyl jazz recordings from greats like John Coltrane, Miles Davis or Charlie “Bird” Parker. Moses came to the town of Kingstown as a connoisseur of the finest things in life, yet he befriended and mentored one of the city’s most notorious gang leaders — Deverin “Bunny” Washington …