Where an officer witnesses something which would lead an individual of reasonable caution to believe a stop was appropriate, it is not necessary for the officer to be certain that anything illegal occurred before making a Terry stop.The 1st District Appellate Court affirmed the decision of Cook County Associate Judge James B. Linn.On Feb. 12, 2013, Chicago police officer Thomas Carey was on patrol with two other officers when they observed a car stopped in the middle of the street. Carey witnessed a “male black …