Legally all the telecoms have to provide a "backdoor" for law enforcement snooping, in theory when they have a warrant, which as it turns out is all to easy to

Legally all the telecoms have to provide a "backdoor" for law enforcement snooping, in theory when they have a warrant, which as it turns out is all to easy to get (e.g. FISA) see http://en.wikipedia.org/wiki/Calea http://en.wikipedia.org/wiki/Calea which explains the law (sort of).