Filmmakers routinely gravitate to the saga of dirty cops, eagerly investigating the ugliness of those entrusted with protection. It’s a fascinating topic, yet “Rampart” refuses to indulge itself when it comes to assembling the evil business of a police officer. While injected with plenty of bile and street smarts, director Oren Moverman’s latest is a bloodless affair watered down by its obsessive moviemaking flair. It’s more of a sound and light show than a hard-charging character study, rendering the lethal events surrounding the lead character almost meaningless when they’re flattened and packaged into this grab bag of style. There’s certainly something here that’s enticingly multifaceted and unstable, but it’s dark behavior that’s never communicated on screen in full. Read the rest at Blu-ray.com