10 of the Most Memorable Betrayals in Movies

1. Dudley Smith -  L.A. Confidential

Curtis Hanson's neo-noir adaptation of the 1990 novel of the same title was a gritty tale of deceit, pride and integrity, certainly one of the decade's best whodunits. Three police officers: one sordid, one ruthless and one orthodox, set out to solve a series of crimes and murders against the backdrop of a 1950s L.A. that's riddled with vice and corruption.