We drove home wondering what the hell my nephew could have done?
So, he is now on a permanent list of "potential terrorist threats",

Him and 5 million others (as of almost a year ago)...
http://www.cnn.com/2003/TRAVEL/03/10...t.security.ap/

However, I can't imagine someone this day and age carrying a box they have
no idea what's inside as carry-on.