I'd guess what they were looking for was any one of the leaked top-secret NSA documents on his laptop, the hard drive of which is being analyzed as we speak...

I'd guess what they were looking for was any one of the leaked top-secret NSA documents on his laptop, the hard drive of which is being analyzed as we speak... Had they found anything during the 9 hours, I'm afraid he wouldn't be flying to Brazil - he would have been detained indefinitely as a "terror" suspect in order to intimidate Greenwald even more.