Nassau County police said a suspect posed as a police officer, including using flashing lights in his vehicle, to pull over and rob a man in Woodmere on Monday.

The victim, a man, 25, was driving north on Broadway at about 3:45 p.m. when a black Jeep behind him turned on flashing lights, according to a news release.

The victim pulled over, and a man got out of the Jeep and approached, police said. The man identified himself as a police officer and had the victim get out of his car.

The victim was told to remove his belongings and put them on his trunk, police said.

The suspect took the victim’s wallet, which contained an undisclosed amount of cash, and told the victim to return to his car.

As the victim went back to his vehicle, police said, the suspect drove off, making a U-turn and driving south on Broadway.

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Police released a sketch of the suspect, who a department spokesman said neither wore a uniform nor flashed a badge.

Anyone with more information can call Crime Stoppers at 800-244-8477. All information will be kept confidential.