Comment by dragonwriter
12 years ago
> The purpose of intelligence agencies is to spy on non-citizens, both in peacetime and in wartime.
No, the purpose of intelligence agencies is to gather and analyze information that might be of use to the nations leaders. Spying -- whether on citizens or foreigners, and whether on people located within the country or abroad -- is often a mechanism used to gather information (though collection from public sources is also a common mechanism.)
And there's nothing really special about the foreign vs. domestic (whether by location or citizenship) axis for "intelligence agencies", generally -- while sometimes the agencies that do domestic and foreign intelligence gathering are separate, that's not always the case, and certainly not a defining feature of "intelligence agencies."
You are correct - I overspecialized in my comment (and focused too much on the US, which attempts to separate domestic and foreign intelligence)- but I would argue that espionage is a signature of intelligence agencies and their efforts; expecting such agencies not to make significant espionage efforts doesn't really cohere with reality.