They're still using them at DEF CON, or at least were as of last year
Heh. That guy, very much with the emphasis on 'that'.
These days, they're a lot more concerned with them (in the generic sense) than us, which is nice. That said (and my 'Government GTFO My Life' side is rather surprised that I'm saying this), they're generally OK if you're not on the receiving end.