Jack is a former adjunct faculty member at Salve Regina University and lectures frequently throughout the United States. He has authored several legal publications, including the PATC Best Selling “Legal Guide for Law Enforcement Officers and Supervisors” – an annually updated quick reference guide to U.S. Supreme Court case law impacting law enforcement policies and procedures. Jack has written policies and procedures that have been adopted by over 1,000 law enforcement and corrections agencies across the United States.