Williams is in the Army Reserves and was supposed to report to duty last weekend but failed to show.
Call Chicago police if you have any information about his disappearance.
Army Reservist missing 3 weeks
November 18, 2009 (CHICAGO) Clifford Williams, 42, hasn't been seen since October 26, and family members fear he might have run into foul play.
He was last seen at a Save A Lot grocery store at 75th and Stony Island.
