Conversation so far:
what was the reason behind the lawsuit?
contacted the Center for Constitutional Rights and the American Civil Liberties Union to represent his son in a lawsuit that sought to remove Anwar from the targeted killing list.
why was he on the targeted kill list?
the United States is not at war in Yemen, and the government doesn't have a blank check to kill terrorism suspects wherever they are in the world.

Question: what was his argument in the trial?
Self-contained rewrite: What was Anwar's argument in the trial?