Black Friday security plans aim to keep sales from becoming real doorbusters

Retailers have been saying all year that they want to bring back customers' enthusiasm for shopping, but there are limits. This year, they want to control the mayhem on Black Friday.

The day after Thanksgiving is always a busy one at the nation's stores, and retailers do their best to stir things up and get the holiday shopping season off to a good start. But as the sales have escalated, so has the in-store violence. The last few years have seen some alarming incidents in which shoppers took the term "doorbuster special" much too literally.