Then, not completely relevant. The US government was not *hiding secret court rulings about how it spies on Americans" since the day the FBI was founded.
Spying on Americans? You could say that, perhaps, but you would have to say it about every law enforcement organization (including the local police) since 1776.
What the actual article is talking about is a massive extension, not covered by the regular "get a warrant in court" mechanism. Saying "just like the FBI" ignores how different this is, and how alien to the Constitution.
To clarify, I'm not promoting the previous comment, I'm just clarifying what the date was
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All the big federal law enforcement agencies engage in various degrees of unconstitutional surveillance. The fact that the FBI also gets a lot of warrants as part of its job doesn't change that. The FBI also did it first and has been doing it since it's inception. Heck they named their HQ after the guy who really took it to the next level.