Jeffrey Emmons

Jeffrey Emmons Adjunct Professor of Sociology and Criminology


Master of Public Affairs, Indiana University

B.S. Public Affairs/Criminal Justice, Indiana University


Jeff started his law enforcement career with the Indiana University Police Department Cadet/Police Officer training program back in 1983.  Upon graduation from IU with his undergraduate degree he was hired as an Indiana State Trooper and assigned to the Lowell Post for Northwest Indiana where in addition to working the road he also became a field training officer and defensive tactics instructor.  In 1990 Jeff was hired by the Bureau of Alcohol, Tobacco and Firearms (ATF) as a Federal agent investigating federal firearms violations and he conducted criminal investigations and was a firearms instructor and a firearms interstate nexus expert for 24 years until he retired from ATF in 2014.  

Jeff has testified in federal court both as an expert witness in firearms and interstate nexus and as a case agent on numerous occasions.  His investigations ranged from prohibited persons in possession of firearms and destructive devices to international trafficking in firearms.  He worked both as a case agent and in an undercover capacity during his ATF career.

Jeff obtained his Master of Public Affairs degree in 1993 after which he began teaching criminal justice as an adjunct lecturer at Indiana University Northwest where he developed and taught courses in Federal Law Enforcement, Terrorism and Public Policy, Police Defensive Tactics and Karate.

In 2021 Jeff started teaching as an adjunct lecturer at Valparaiso University where he initially taught in Core.  He now primarily teaches in Sociology/Criminology and has taught The Criminal Justice System and Topics courses of Terrorism/ Public Policy and Elections, Insurrections and Threats to Democracy.