Hawaii 5-O (1971): Rest in Peace, Somebody: He Wore a Vest.

Embittered, grudge-holding erstwhile policeman Bill Cameron (Norman Alden) uses his wiles to achieve prime position to assassinate the Governor; however, he ends up being outfoxed by the not-so-dumb-after-all Steve McGarrett (Jack Lord). Existential queries, mainly rhetorical, are then made.