An Arizona Criminal Subpoena is a legal document issued by a court or prosecutor that orders an individual to appear in court and provide testimony or documents related to a criminal investigation. It is a powerful tool for law enforcement and prosecution to obtain information from witnesses or suspects. There are three types of Arizona Criminal Subpoenas: Subpoena Ducks Cecum, Subpoena Ad Testificandum, and Grand Jury Subpoena. A Subpoena Ducks Cecum requires a witness to bring documents or other evidence to court. A Subpoena Ad Testificandum requires the witness to testify in court. A Grand Jury Subpoena requires a witness to appear before a grand jury and answer questions or provide documents.