Highway Robbery  Crime doesn't pay? Tell that to truck cargo
thieves.  Cargo theft affects us all: Experts say it adds 20
percent to the price of a computer and about 5 percent to the
price of a designer shirt. And yet, most people don't even
realize it exists. That's because in the United States, cargo
theft is all but invisible. In places such as Sao Paulo or
Mexico City, trucks are hijacked daily. Shootouts are common.
But in the United States, roadside hijackings almost never
happen.  Instead, cargo heists happen quietly, right under the
noses of police officers. Sixty to 80 percent of the time,
experts say, it's an inside job. That could mean a driver is in
on the heist (trucking companies are notorious for hiring ex-
cons), or it could mean a warehouse worker who knows trucking
routes and shipping schedules is feeding that information to
someone on the outside.  "They'll wait for a driver to make a
mistake," says Dan Purtell, a supply chain security consultant
in Phoenix with First Advantage. "It takes a