The District of Columbia AO-90 Deposition Subpoena in a Criminal Case is an official form used in the Federal District Court for issuing a subpoena to compel a witness to testify or produce documents in a criminal case proceeding. This form is an essential tool for the prosecution or defense in obtaining crucial evidence or statements from key witnesses during the legal process. Keywords: District of Columbia, AO-90, Deposition Subpoena, Criminal Case, Federal District Court, Official Form, witness testimony, document production, prosecution, defense, evidence, legal process, subpoena. Different types of District of Columbia AO-90 Deposition Subpoena in a Criminal Case — Federal District Court Official Forms may include: 1. AO-90D: Deposition Subpoena for Defendant — This form is specifically used when a defendant in a criminal case wants to subpoena a witness for a deposition. It allows the defendant's legal team to obtain valuable information or statements from the witness to support their defense strategy. 2. AO-90P: Deposition Subpoena for Prosecution — This form is exclusively used by the prosecution in a criminal case to subpoena a witness for deposition. The prosecution can utilize this tool to gather evidence or statements to build their case against the defendant and strengthen the prosecution's arguments. 3. AO-90W: Deposition Subpoena for Witness — This form is used when a non-defendant, non-party witness needs to provide testimony or produce documents during a criminal case proceeding. Both the prosecution and the defense can utilize this form to compel witnesses to provide crucial information that can support their respective positions in the case. In conclusion, the District of Columbia AO-90 Deposition Subpoena in a Criminal Case — Federal District Court Official Form is a vital document used by the legal system to compel witness testimony or document production in criminal cases. It comes in different types, tailored to the specific needs of the prosecution, defense, or non-party witnesses involved.