Tracking Humans: A Fundamental Approach to Finding Missing Persons, Insurgents, Guerrillas, and Fugitives from the Law
David Diazis a U.S. Army Special Forces/Marine Corps-trained professional who studied with the finest trackers throughout the world. He has trained U.S. Army soldiers, police officers, and foreign military forces.V.L. McCann has a degree in Creative Writing, and served nearly twelve years as an officer in the U.S. Army.