I vote that you remove airline ticket (via proxy) as one could include every single thing purchased in $ etc (which is what the ticket was bought with) just when one sells/converts BTC to do so like on an exchange first, I gave someone some BTC & they used their $ credit card to buy me XYZ = a non event

He could though get an important first & for the same thread: First person to be refused entry to the US because of Bitcoins