Evanston Police Chief Demitrous  Cook spoke in support at a Nov. 2 City meeting of his decision to bring in outside assistance to help quell a demonstration in downtown Evanston on Halloween Night, Oct. 31, in which officers had to use pepper spray to subdue some protesters.

Responding to questions at the Human Services Committee meeting, Chief Cook said police turned to the Northern Illinois Police Alarm System (NIPAS) mobile unit for help at the scene, because they needed additional manpower.

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