William “Rick,” and Richard E. Crandall. “Revisiting the Hawks Nest Tunnel Incident: Lessons Learned from an American Tragedy.” Journal of Appalachian Studies, vol. 8, no. 2, [Appalachian Studies Association, Inc., University of Illinois Press], 2002, pp. 261–83, http://www.jstor.org/stable/41446542. https://ag.ky.gov/about/Office-Divisions/DCI/Pages/default.aspx External links Official Website for the Kentucky Department of Criminal Investigation 2004 establishments in Kentucky Crime in Kentucky Criminal Investigation State law enforcement agencies of Kentucky State Bureaus of Investigation