GRAND PRAIRIE, Texas -- The Grand Prairie police are searching for a police impersonator who sexually assaulted a woman after pulling her over.

The encounter took place around 1 a.m. on Saturday in the 4000 block of East Jefferson Street.

The fake officer was said to be in uniform while driving a black SUV with red and blue lights around the front fender. After pulling over the female driver, he directed the victim to the backseat of his vehicle and sexually assaulted her, according to police.

Police said the suspect is a Hispanic male, about 25 years old, 6'2'' tall, weighs 250 pounds with black slicked back hair, a mustache with stubble on his face and thick eyebrows.

Anyone who recognizes this composite sketch of the suspect or the described vehicle is asked to call the Grand Prairie Police or Crime Stoppers at 972-988-8477(TIPS).

Crime Stoppers is offering a cash reward for information leading to the arrest of this suspect.