Jack Enter started his law enforcement career 48 years ago when he worked as a street police officer, detective, vice/narcotics investigator, and an administrator of a law enforcement agency. He was also one of the research associates assigned to planning the security component of the 1996 Summer Olympic Games. Since obtaining his Ph.D., he serves as a university professor and administrator, and Director of Information and Education for the Governor's Criminal Justice Coordinating Council. He has also lectured throughout the United States and abroad to such groups as the American Academy of Forensic Sciences, Great Britain's New Scotland Yard, and the Moscow Police Command College. In 2019, Jack Enter was a speaker at CATO's annual training conference.