How do Liesel and Rudy manage to steal a food basket from a church?

Liesel and Rudy plot their attack for weeks, icing down the sidewalk where the food delivery boy walks. The delivery boy arrives, slips on the ice as planned, but ends up getting hurt far worse than Liesel and Rudy planned for. Starving, Liesel and Rudy steal the food basket, and leave the injured delivery boy writhing on the ice.