Forty-six years ago one of the last great left civil libertarians gave what turned out to be very prescient warnings about where the U.S. could be headed given the power it had given certain federal agencies.
https://www.lewrockwell.com/lrc-blog/u-s-senator-frank-churchs-ominous-warnings-about-the-u-s-spy-state-in-1975-12-14-21/