Alien Tort Litigation The Road Not Taken

When the Second Circuit decided in Filartiga v. Pena-Irala that the Alien Tort Statute (ATS) provided a federal forum for international human rights claims, no one would have predicted that thirty-three years later in Kiobel v. Royal Dutch Petroleum Co. the Supreme Court would use the presumption against extraterritoriality to limit those claims. This Essay recounts some of the doctrinal developments in alien tort litigation during the intervening thirty-three years