The "Family Jewels" Report
Central Intelligence Agency
2007
1973
A 693-page internal inventory of CIA activities that 'might be construed to be outside the legislative charter,' compiled by Director James Schlesinger after Watergate.
Why it was classified
It catalogued assassination planning, domestic surveillance of journalists, and mail opening programs — an admission of criminal exposure in written form.
Why it matters
Its eventual leak triggered the Church Committee and the entire modern architecture of intelligence oversight.