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Criminal Profiling Criminal Profiling:
An Introduction to Behavioral Evidence Analysis
1st Edition

by Brent E. Turvey, MS
Academic Press, June 1999

Please note: for information on the current edition of this textbook, please see:
Criminal Profiling, 2nd Edition


John J. Baeza

John Baeza started his career in law enforcement as a New York State Correction Officer working at the Sing-Sing and Otisville correctional facilities. He has been employed by the New York City Police Department for eleven and a half years. He began his police career in Harlem's 32nd Precinct as a patrol officer. He was then assigned to the Manhattan North Tactical Narcotics Team where he performed undercover work for three years. He was promoted to Detective during his Narcotics assignment. For the last four and a half years he has been assigned to the Manhattan Special Victims Squad where he investigates sex crimes and child abuse cases. He is enrolled at SUNY Empire State College where he is pursuing a degree in Psychology. His research interests include the behavior of serial rapists.

He can be contacted at:


Eoghan Casey, MA

Eoghan Casey is currently a full partner, Instructor, and Educational Technology Developer with Knowledge Solutions LLC. In his courses, he teaches individuals to investigate crimes that involve computer networks and to use the Internet as an investigative tool. Through Knowledge Solutions, he consults on criminal cases that involve computers, networks, and the Internet. He is also a System Security Administrator for Yale University, where he investigates computer intrusions, cyberstalking reports, and other computer-related crimes, and assists in the research and implementation of university wide security solutions.

Eoghan earned his Masters of Arts in Educational Communication and Technology from New York University. At NYU, he used Cognitive Science theories to develop an innovative approach to teaching Criminal Profiling and Cybercrime. His approach is implemented in many of the courses offered by Knowledge Solutions. He also holds a Bachelor of Science in Mechanical Engineering from the University of California, Berkeley. During his studies at Berkeley, he focused on real-time computer control of mechanical systems. He has worked as a network administrator, satellite controller and software programmer and has extensive knowledge of the Internet and its operation.

He can be contacted through the Knowledge Solutions website at:


W. Jerry Chisum, BS

William Jerry Chisum has been a criminalist since 1960. He studied under Paul Kirk at UC Berkeley where he received a Bachelor's Degree in Chemistry. He worked in San Bernardino, then set up the Kern County Laboratory in Bakersfield. After joining the California Dept. of Justice, he took a leave of absence (1971-73) to work at Stanford Research Institute. He has been involved in Laboratory management and administration for most of his career.

He has been President of the California Association of Criminalists three times. He has also served as President of the American Society of Crime Lab Directors and as President of the Stanislaus County Peace Officers Association. In October of 1998, he retired from 30 years of service with the California Department of Justice, and continues working through a private consultancy.

He can be contacted through his website at:


Dr. Diana Tamlyn, MB BS,
MRC Psych., Forensic Psychiatrist

Dr. Diana Tamlyn qualified in medicine in 1981, which makes her "a lady of a certain age." She has practiced psychiatry for the past sixteen years, and is just beginning to get it right. She has published research on schizophrenia and has developed an interest in the mad, the bad, and the dangerous. Currently based at Rampton Special Hospital, she is also in independent medico-legal practice, research work with West Yorkshire police, and is a member of the Parole Board. Dr Tamlyn lives in the Yorkshire Dales with her family, several sheep and a temperamental computer. She does not own a pair of walking boots.

She can be contacted at:


Brent E. Turvey, MS

Brent Turvey is a forensic scientist and criminal profiler. As a full partner with Knowledge Solutions LLC, he teaches courses on the subject of criminal profiling, serial rape, and serial homicide. He also maintains a full caseload as a forensic scientist and criminal profiler working with both law enforcement and defense clients throughout the United States. He has a great deal of experience with, and specializes in, cases that involve rape and/ or homicide behavior.

Brent has been studying violent and predatory criminal behavior since 1990. He holds a Bachelor of Science in History, and a Bachelor of Science in Psychology (with a great deal of independent study work in forensic psychology as it relates to serial homicide behavior). It was during his undergraduate years, while conducting research and interviews with incarcerated serial offenders, that he was inspired to combine criminal profiling theory, psychological theory, and the forensic sciences for the purposes of investigating serial crime.

Brent also holds a Masters of Science in Forensic Science from the University of New Haven in West Haven, Connecticut where he concentrated in the area of Advanced Investigation. Once in a while he can be found lecturing to students at universities around the country, and he has been invited to speak before various professional and law enforcement organizations.

He can be contacted through the Knowledge Solutions website at:


Kathy Bakken

Cover Concept & Design


Grove Pashley

Cover Photography



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