Bachelor of Science Criminology, Indiana State University, 1982; Master of Arts Criminology, Indiana State University, 1983; Doctor of Philosophy Administration, University Texas, Arlington, 1989.
Patrol officer Terre Haute (Indiana) Police Department, 1981-1984. Crime scene search/patrol Fort Worth (Texas) Police Department, 1984-1987. Instructor Southwest Texas State, San Marcos, 1987-1988.
Department chairman Texas Southmost College, Brownsville, 1988-1991. Assistant professor Loyola University, Chicago, since 1991.
Member Academy Criminal Justice Sciences, American Society Criminology, Society Police and Criminal Psychology, Texas Police Association.
Married Gail Diane Lenn, August 26, 1979. Children: Curtis Lance, Kenneth Lenn.