Do you tell your friends everything you know that might affect them, particularly if it involves other friends? Governments, like corporations, might be considered to be "persons", but both you and I know that this is not the case, so drop the comparisons to how people treat people. I have no doubt, whatsoever, that the CIA has agents in every single NATO country, and everywhere else as well. If they don't, they're not doing their job.
Saudis warns U.S. that 9/11 responsibility law would erode investor confidence in America (Reuters)
from the article: Ex-CIA director: I prevented move to release spy for Israel