The Federal Rules of Civil Procedure
Federal courts of general jurisdiction (US District Courts, etc.) handle both civil and criminal cases.
The two classications of courts are civil courts and criminal courts. Governmental divisions include federal, state, county, and municipal courts. A further division of federal and state courts is into trial courts and appeals courts.
The US District Courts
Federal courts may hear civil cases or criminal cases.
United States district courts consider criminal and civil cases that come under federal authority.
The court system handling civil and criminal cases determined by the Constitution's jurisdictions and federal statutes. Federal courts include federal district courts, district courts of appeals, the U.S. Supreme Court, and specialized courts such as bankruptcy, tax, claims, and veterans' appeals.
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Federal district courts have trial jurisdiction over most cases in the federal system.
federal and state.
Federal Rules of Civil Procedure
It appears to be the Federal Rules of Civil Procedure, Massachusetts Rules of Civil Procedure, Illinois Criminal Law and Criminal Procedure and the Federal Rules of Evidence.
Usually civil courts handle civil cases. You may find civil courts inside your municipal court, circuit court, federal court, appeals court, etc.