 What caused Judy's yelling to be ignored by the gangs in the schoolyard?
There was Mrs. Dolly Daniels, withdrawing money from her savings account again. The man who had first spoken herded the tellers, Mr. Featherhall and the customers all over against the back wall, while the second man stayed next to Mr. Anderson and the door. Meanwhile, Mr. Anderson went scooting out the front door and running down the street toward the police station in the next block, shouting, "Help! The man with the satchel came running around from behind the counter, and the man by the door tried to keep Miss English from scratching his eyes out. "If I'm making just a quick stop—I never spend more than five minutes with any one customer—I always leave the keys in the car.
 They couldn't hear her over their own hollering because of the intense cold weapons and jackets.
 The surprise of the kids who showed up in costumes trying to return home.  They were already fighting and failed to hear her over the shouting.  They couldn't hear her over their own hollering because of the intense cold weapons and jackets.  They were too distracted by the approaching police lights.