The Judicial Branch document outlines the structure and jurisdiction of the US federal court system. It notes that the Judicial Branch was created by the Judiciary Act of 1789 and is responsible for the federal courts, including the Supreme Court with 1 court and 12 US Courts of Appeal. It has jurisdiction over federal crimes, disputes between states, and cases involving citizens from different states or ambassadors. Important cases discussed include Tinker v. Des Moines on free speech, Texas v. Johnson on flag burning, and Gideon v. Wainwright establishing the right to counsel. Court opinions can be majority, dissenting, or concurring.