The judicial branch of the government consists of the Supreme Court. The Supreme Court consists of 9 justices that rule on federal cases. The judicial branch is a critical part of the federal government, as they have the power to determine what laws are constitutional or unconstitutional. Essentially, the Supreme Court is in charge of interpreting what the constitution means and how it applies to American society. With this power, the Supreme Court can get rid of any law that is brought up in one of their cases that violates the rights of the citizens of the US.
Supreme court,state officials,foreign diplomats, and local officials. Its all four i think because I looked at a article and it says it but you might want to find more evidence.