Fact: the bad guys will always book their tickets month in advance.
Fact: they will only buy one ways, as their organizations don't have much money, so won't spring for the round trip. Unless they book it over a Saturday night of course, and then it would be cheaper, but they wouldn't know that.
Fact: they won't pay with credit cards
I wonder if there is a single bad guy who can crack the SSSS code?! :-:
I still miss D9S and BAE146s out of PHL...
Simon