Dr. George Kirkham, who is nationally renowned as "the professor who became a cop," is Professor Emeritus at the College of Criminology and Criminal Justice at Florida State University. His co-author, Dr.. Leonard Territo, is Distinguished Professor of Criminology at Saint Leo University. He is a veteran rape/homicide detective who was the major advisor to police during the Ted Bundy murder investigation. Dr. Territo's Criminal Investigation Text has been the "Bible" of American law enforcement for over 30 years. It is also used to instruct police and criminal justice students in 16 other countries, including China.