See point 4 in his follow-up post (http://knifetricks.blogspot.com/2010/09/10-brief-responses-to-700-comments.html http://knifetricks.blogspot.com/2010/09/10-br

See point 4 in his follow-up post (http://knifetricks.blogspot.com/2010/09/10-brief-responses-to-700-comments.html http://knifetricks.blogspot.com/2010/09/10-brief-responses-t...) "You say “business” (because you were at a conference) but the stamps in your passport indicate that you’re returning from a tourist destination like Bali. Now the officer can argue that you have made a false statement, have engaged in an attempt to claim improper business deductions under the Internal Revenue Code and have broken any other federal criminal law -- there are more than 10,000 -- which he can mold around the circumstances."