Abstract: A police officer's utility bag comprising a rectangular fabric body with a zippered top. Hanging file rails from any of several designs are located inside the bag below the zippered top. Side stiffeners are used to hold the shape of the bag, as well as to receive the hanging file rails and a charging fixture for a rechargeable flashlight hanging on the outside of the bag. Various pockets and pouches are provided both inside and outside of the bag. A strap attached to the top can be looped around a passenger seat headrest to hold the top open. A seatbelt clip receives a seat belt shoulder harness to secure the bag in a patrol car seat.