Editor's note: Lisa Greenleaf will be appearing on the May 4, 2012, episode of Quality Digest Live at 11 a.m. Pacific, 2 p.m. Eastern. That episode will be available on-demand beginning Monday, May 7, 2012.

For as long as cargo has been transported via road, there has been cargo theft. Whether from the backs of Mesopotamian camels crossing the Syrian Desert, Chinese convoys traveling the Silk Road, or pioneer wagon trains traversing the U.S. prairie, cargo theft has plagued commerce, slowed economic development, and raised prices.

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