3/15/2013: A federal appeals court judge reversed a ruling on CIA drone records .
10/23/2013: A Pakistan citizen sued the UK Foreign Office over intelligence sharing for US drone strikes.
2/7/2012: The ACLU sues the US government for information on targeted killings.
4/28/2010: A US House of Representatives subcommittee heard testimony regarding the legality of unmanned drone strikes.
3/17/2010: The ACLU files suit seeking information on US drone attacks
9/22/2006: 'Virtual fence' plans for US borders described by DHS include unmanned aerial surveillance.