Del. Code 11, § 3521 : Crimes And Criminal Procedure — Witnesses And Evidence — Uniform Law To Secure The Attendance Of Witnesses From Without A State In Criminal Proceedings — Definitions Date: 2 Sep 2016 TEXT PDF Current through 2016 Legislative Session, Act 399 As used in this subchapter: (1) "State" includes any territory of the United States and District of Columbia. (2) "Summons" includes a subpoena, order or other notice requiring the appearance of a witness. (3) "Witness" includes a person whose testimony is desired in any proceeding or investigation by a grand jury or in any criminal proceeding. Del. C. § 3521 41 Del. Laws, c. 214, § 1; 11 Del. C. 1953, § 3521.;