John EternoJOHN ETERNO has been employed by the New York City Police Department for over 20 years. As Commanding Officer of the Mapping Support Unit, he makes policy recommendations and handles sensitive assignments for the Deputy Commissioner of Strategic Initatives and the Assistant Commissioner of Programs and Policies. He is an Adjunct Assistant Professor of Sociology at Queens College in New York. He has written book chapters and journal articles on various topics within the field of policing. Read More Read Less