A Federal crime involving parties on Guam would most likely be heard in Territorial Courts .
Congress created the 13 United States courts of appeals, which hear appeals from district courts, and the United States district courts, which handle the majority of federal matters, in accordance with the Constitution's authority to establish courts below the Supreme Court.
Federal courts can only consider things that are specifically permitted by the US Constitution or federal legislation since they only have limited jurisdiction. A case must be brought in federal district court if it arises from a federal law, the Constitution, or a treaty.
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