Great WSJ article (2006) discussing how gov’t is taking a closer look at trade manifests to help ferret out money laundering. Seems that cheap or inflated imports/exports used to be a very reliable way to move money without people batting an eye.

…a total of $391.1 billion moved in and out of the U.S. in irregularly priced trade in 2004. The goods include dishtowels priced at $153 per towel sent from Pakistan to the U.S. and bulldozers priced at $1,700 each sent from the U.S. to Colombia.