The South Dakota AO-90 Deposition Subpoena in a Criminal Case is an official form used in Federal District Courts to request testimony or the production of documents from a witness or party involved in a criminal case. This document is vital in the discovery process and helps gather evidence and information required for the case. The South Dakota AO-90 Deposition Subpoena is divided into different types depending on the specific requirements of the case. Some common variations include: 1. Witness Testimony Subpoena: This type of subpoena is issued to a witness, compelling them to appear at a designated date, time, and location to provide a sworn deposition. The purpose is to obtain the witness's testimony, which can be in the form of an oral statement or written response. 2. Document Production Subpoena: As the name suggests, this type of subpoena is used to request the production of specific documents relevant to the case. The documents can vary depending on the nature of the criminal case, such as bank records, emails, contracts, or any other evidence deemed pertinent. 3. Expert Witness Subpoena: In some instances, a criminal case may require expert witness testimony to provide specialized knowledge or opinions related to a specific field. The expert witness subpoena is utilized to compel an expert witness to provide testimony or produce documents in support of their professional opinion. 4. Subpoena Ducks Cecum: This is a specific type of subpoena that combines aspects of both witness testimony and document production. It is used to demand a witness to bring specific documents or records to the deposition, in addition to testifying about them. When completing the South Dakota AO-90 Deposition Subpoena, it is crucial to include accurate information about the witness or party being subpoenaed, such as their name, address, and contact details. The document should also clearly outline the date, time, and location of the deposition or document production. In summary, the South Dakota AO-90 Deposition Subpoena in a Criminal Case is a vital tool used in Federal District Courts for gathering evidence and information. Its various types cater to different needs, including witness testimony, document production, expert opinions, and the combination of both. Ensuring accurate information and adhering to the appropriate format is essential to obtain the desired evidence for the criminal case.