Is Targeted Killing Legal?

This video from the American Civil Liberties Union (ACLU) condemns the U.S. government practice of issuing death sentences without due process as part of its targeted killing policy. "Targeted Killing" is being released to coincide with the filing today of an unprecedented lawsuit by the ACLU and the Center for Constitutional Rights (CCR) challenging the government's asserted authority to use lethal force against U.S. citizens located far from any battlefield without judicial process, and without disclosing the standards it uses to target individuals for death.