Donald G. Hanna has thirty-two years experience in policing and teaching command officers at police academies, plus fourteen years teaching leadership and police courses at a unive...lihat lebih banyakDonald G. Hanna has thirty-two years experience in policing and teaching command officers at police academies, plus fourteen years teaching leadership and police courses at a university. He was police chief twenty-four years in two Illinois cities and at Ohio State University. His experience provides a practitioner’s perspective for this commentary. He earned a BA in police administration from Indiana University and an MA in public administration from the University of Illinois. Scotland by heritage, Indiana by birth, and Hoosier by the grace of God.lihat lebih sedikit