A Tennessee Subpoena To Testify At A Deposition In A Criminal Case is a court order issued by a Tennessee court requiring a witness to appear and testify at a deposition in a criminal case. This type of subpoena is typically issued by a prosecuting attorney or defense attorney in a criminal case and requires the witness to provide evidence or testimony at the deposition. There are two types of Tennessee Subpoena To Testify At A Deposition In A Criminal Case: a subpoena ad testificandum and a subpoena duces tecum. A subpoena ad testificandum orders the witness to appear and testify, while a subpoena duces tecum orders the witness to bring certain documents or other evidence to the deposition. Both types of subpoenas must be served on the witness or their attorney and must contain certain information, including the date and time of the deposition, the name of the party issuing the subpoena, and a description of the documents or other evidence the witness is required to bring.