Crash (Paul Haggis, dir.) (2004). A story involving police discretion, corruption, racial discrimination, and more, within the setting of an urban police agency.
Dirty Harry (Don Sigal, dir.) (1971). A fictional portrayal of a police detective who is faced with the dilemma of balancing ends and means in the pursuit of justice.
L.A. Confidential (Curtis Hanson, dir.) (1997). A fictional account of urban policing in the 1950s, portraying a variety of ethical dilemmas with which officers and their supervisors must grapple.
Serpico (Sidney Lumet, dir.) (1972). This film, based on a true story, examines the challenges of an honest cop navigating his way in a police agency marked by pervasive corruption.