It is mentioned towards the end of the article but it's important to note that the revelations of the FBI's campaign of surveillance, harassment and murder of black leaders wasn't the result of voluntarily disclosure but instead the result of activists physically seizing records 1970s (the Church Committee investigations and the Freedom Of Information Act came later).<p>See: <a href="https://en.wikipedia.org/wiki/Citizens%27_Commission_to_Investigate_the_FBI" rel="nofollow">https://en.wikipedia.org/wiki/Citizens%27_Commission_to_Inve...</a>