Rampart is co-written by crime writer James Ellroy as a messy, disorienting noir, and shot by cinematographer Bobby Bukowski with an unsettling degree of realism.
The film has its narrative flaws and, occasionally, distracting stylistic flourishes. Harrelson's portrayal of a swinging dick staring down the abyss, however, is perilously close to perfect; it's the finest, most harrowing thing he's ever done.
75
Slant Magazine
Glenn Heath Jr.
Not only does its incredibly loose aesthetic challenge the traditionally controlled and slick conventions of the cop genre, it adds a certain visceral haziness that compliments Brown's own professional and personal immorality.
Harrelson rewards watching; he's no less potent at rest than when he explodes in calculated rage.
70
Village Voice
Unnamed
Here the director pulls off the formidable task of marrying two unwieldy performances: Harrelson's, a volatile and vulnerable feat of showboating, and Ellroy's, whose writing voice is unmistakably the voice of the movie.