A Minnesota Subpoena — Criminal (#CRM401)(statewide) is a legal document issued by a Minnesota court to compel a witness to appear in court to give testimony or to produce documents in a criminal case. It is issued by a judge or court clerk upon motion of the prosecutor or defendant. There are two types of Minnesota Subpoena — Criminal (#CRM401)(statewide): a subpoena duces tecum, which orders a witness to produce documents or other tangible evidence, and a subpoena ad testificandum, which orders a witness to appear in court and give testimony. Both types of subpoena are binding and must be followed.