In one of the case studies in the textbook, Stefan Winkler was the controller for a beverage company in south Florida. Money was collected by either the delivery drivers who brought in the cash and checks from their route customers (route deposits), or by credit customers who mailed in their payments (office deposits). Winkler stole cash from the route deposits and made up for it by using checks from the office deposits. How did Winkler conceal his crime