I think drawing direct equivalence to the CIA and what the FSB get up to is a little strong. It's a popular thing to say on HN, but if it were true it would mean there's evidence of (say) finding the CIA planting bombs the day after 9/11 in a different skyscraper i.e. The Moscow apartment bombings.

Mass surveillance is a different matter, although I don't think that (nominally at least) falls under the CIA's remit