Civil Way Spies in Louisiana. History Matters: Spies By Gary Joiner, Ph.D. & Gary Joiner, Ph.D. • May 29, 2018 unattributed / This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1923. Airs Tuesday, May 29, 2018, at 7:45 p.m. Dr. Gary Joiner looks at the roll that spies played during the Civil War. History Matters is made possible in part by the Louisiana Endowment for the Humanities and Louisiana Cultural Vistas Magazine.