Oak Lawn Police said they are investing a series of incidents which took place during overnight hours mostly between Cicero Avenue and Laramie Avenue from 107th and 111th Streets.
The suspect was caught on camera spray painting the cars.
No injuries have been reported. Police asked residents with security cameras in the area to check their footage to see if any suspects appear on camera.
Anyone with information can call police at call 708-907-4051 or text 708-613-8477.