The late J. Scott Harr worked in various areas of the law for 30 years. He was the Chief Law Enforcement Officer and Public Safety Director for a suburb of the Twin Cities and served as a police officer for two other cities prior to that. In addition, he served as a firefighter and emergency medical technician. Licensed as a lawyer, police officer, and private investigator, he taught at Normandale Community College, Metropolitan State University, and Concordia University.
K�ren Matison Hess, Ph.D. (d. 2010), was an instructor at Normandale Community College (Bloomington, Minnesota) who crafted a line of enduring, practical textbooks in the fields of law enforcement and criminal justice.