Re: [cryptography] [Cryptography] Help investigate cell phone snooping by police nationwide

[lots of cross posting, as per original] Stipulating that I'm not in any conceivable sense the last word on this topic, you might find some of this Tradeoffs in Cyber Security Dan Geer, 9 October 13, UNCC http://geer.tinho.net/geer.uncc.9x13.txt relevant. If short on reading time, scan down to "Marcia Hofmann." --dan