Man pleads guilty to trying to kill US marshal, K-9 in 2022 NW Side shootingA Chicago man has now pleaded guilty to trying to kill a U.S. marshal and his K-9 officer companion. A Chicago man has now pleaded guilty to trying to kill a U.S. marshal and his K-9 officer companion. A Chicago man has now pleaded guilty to trying to kill a U.S. marshal and his K-9 officer companion. A Chicago man has now pleaded guilty to trying to kill a U.S. marshal and his K-9 officer companion. CHICAGO (WLS) -- A Chicago man has now pleaded guilty to trying to kill a U.S. marshal and his K-9 officer companion.