Major US security leaks
- Pentagon papers, 1971: Daniel Ellsberg leaks study showing the government had knowledge it was unlikely to win Vietnam war
- Watergate, 1972: Bob Woodward and Carl Bernstein reveal extent of cover-up over burglary at Democrat National Committee HQ
- Iran-Contra affair, 1986: Iranian cleric reveals illegal US arms sales to Iran, the proceeds of which are later used to fund Nicaraguan Contras
- Valerie Plame, 2003: She is revealed to be an undercover CIA agent, ending her covert career
- Abu Ghraib, 2004: Publication of pictures showing abuse of detainees at Iraq prison by US officials turns initial media reports of abuse into full-blown scandal
- Bradley Manning, 2010: The soldier downloads thousands of classified documents from military servers and hands them over to Wikileaks
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