With the possible exception of the BATFE, it would be hard to imagine an entity within the federal government more out of control and in need of — dare I say it? – abolition. Getting rid of the FBI would be a giant boon for the freedom of the American people. As President Harry S. Truman put it, “We want no Gestapo or secret police. The FBI is tending in that direction.”
https://www.fff.org/explore-freedom/article/fbi-enemy-freedom/