ALWAYS be alert! The men who look for children watch them to survey if they like the child and the best way to catch them. If a child is alert that someone is folllowing and luerking, they can go to a adult before it's too late.
DO NOT FREAK OUT when you freak out you stress yourself out and that causes adrenaline to course through your body which clouds your judgement and you go into fight or flight mode which can be deadly. Stay as calm as possible and FIND AN ADULT