The civil liberties group today filed a Freedom of Information Act request with the CIA and the Departments of State, Justice and Defense for documentation establishing the legal basis for the drone strikes. Drone strikes in Pakistan have risen substantially during the first year of the Obama administration.

Additionally, the civil liberties group wants to see the government’s estimates for how many civilians the drone program is responsible for killing. A recent New America Foundation report arguing that most drone critics overstate overstate civilian casualties still found that one in every three Pakistanis killed by the drones is a civilian, not a combatant.