Police released still images of the offender described as a white male in his twenties slashing the tire of a CPD van.
Chicago Police are asking the public for help identifying a NATO protester who slashed the tires of one of their vehicles during last week's summit.
The offender slashed two rear tires of a CPD vehicle driving on the 300 block of W. Jackson, Saturday, May 19, around 9:30 p.m., according to a community alert.
The act is considered "criminal damage," the alert stated.
Police describe the offender as a white male in his twenties with brown hair, slim build and last seen wearing dark clothing.
They have also released still photos from a video that shows the offender in the act. The video shows the a protester hanging on to the hood of the moving CPD van as the offender slashes both tires and runs into the crowd.
Area Central detectives ask anyone with information to call 312-747-8382.