(CBS) – Naperville police say they’re looking for a “suspicious subject” who drove near North Central College trying to pick up women.

On Wednesday afternoon, the suspect drove by several female students and asked them their ages and if they wanted a ride, police said in a community alert issued Friday.

The suspect was in his late 20s and driving a light blue or gray Buick.

Police released a sketch of the suspect. Anyone with information is asked to call the Naperville Police Department at (630)420-6726 or Naperville Crime Stoppers at (630) 420-6006.