undercover policing

His masterpiece 'The French Connection' and 'To Live and Die in L.A.' explore the moral ambiguity and corruption inherent in undercover police operations.

Films like 'Heat' and 'Collateral' deeply examine the blurred lines between undercover cops and criminals, exploring identity loss and existential conflict.

His psychological thrillers explore surveillance, deception, and the psychological toll of living double lives in controlled, unsettling narratives.