Puerto Rico AO-89 Subpoena in a Criminal Case — Federal District Court Official Form: Overview and Types The Puerto Rico AO-89 Subpoena in a Criminal Case is an official document used in the Federal District Court of Puerto Rico for obtaining evidence or requiring the appearance of individuals as witnesses in criminal cases. This subpoena is governed by specific rules and follows a standard official form designated as AO-89. The AO-89 Subpoena serves as a legal tool for the parties involved in a criminal case, such as the prosecution or defense, to compel the attendance of witnesses, production of documents, or both. It ensures the fair discovery and presentation of evidence in court, which is crucial for both sides to effectively present and defend their case. There are several types of AO-89 Subpoenas that can be issued depending on the nature and specifics of the evidence required or the witnesses to be called. Some of these types may include: 1. Witness Subpoena: This type of subpoena commands a particular individual to appear in court at a specified date and time to testify as a witness. Witnesses, whether experts or laypersons, may possess important information about the alleged crime or have knowledge relevant to the case. 2. Document Subpoena: This subpoena requires the production of specific documents, records, or other tangible evidence that may be relevant to the criminal case. It can be used to obtain financial records, medical records, correspondence, or any other relevant document that can provide evidence or support a defense. 3. Subpoena Ducks Cecum: This type of subpoena combines the aspects of both witness and document subpoena. It orders a person to testify as a witness and produce specified documents or other evidence related to the case. 4. Grand Jury Subpoena: Grand jury proceedings play a crucial role in the criminal justice system. A grand jury subpoena, issued by the grand jury itself or a prosecutor, compels individuals to testify or produce evidence during the grand jury investigation, typically conducted before a case goes to trial. When using the Puerto Rico AO-89 Subpoena in a Criminal Case — Federal District Court Official Form, it is essential to adhere to the specific requirements outlined in the form and follow all court rules and procedures. Failure to comply with the subpoena may result in legal consequences, such as being charged with contempt of court.