Holder v. Humanitarian Law Project, 561 U.S. 1 (2010), was a case decided in June 2010 by the Supreme Court of the United States regarding the Patriot Act's prohibition on providing material support to foreign terrorist organizations (18 U.S.C.

The Supreme Court ruled against the Humanitarian Law Project, which sought to help the Kurdistan Workers' Party in Turkey and Sri Lanka's Liberation Tigers of Tamil Eelam learn how to resolve conflicts peacefully.

He noted that several prominent former officeholders, including Rudolph Giuliani and Tom Ridge, had spoken in support of the People's Mujahedin of Iran, an Iranian opposition group designated by the United States as a terrorist organization.

[7] He stated, "Under current law, it seems, the right to make profits is more sacrosanct than the right to petition for peace, and the need to placate American businesses more compelling than the need to provide food and shelter to earthquake victims and war refugees.

The FBI agents were seeking evidence of ties to groups deemed by the US government to be foreign terrorist organizations, including the Revolutionary Armed Forces of Colombia and the Popular Front for the Liberation of Palestine.