65 ILCS 5/10-2.1-6.1

A classifiable set of the fingerprints of every person who is now employed, or who hereafter becomes employed, as a full time member of a regular fire or police department of any municipality in this State, whether with or without compensation, shall be furnished to the Illinois State Police and to the Federal Bureau of Investigation by the board of fire or police commissioners or other appropriate appointing authority, as the case may be.