William Jerry Chisum has been a criminalist since 1960. He studied under Dr. Paul L. Kirk at U.C. Berkeley, worked in San Bernardino, and 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 President of the California Association of Criminalists three times, and has also served as President of the American Society of Crime Lab Directors. In October of 1998, he retired from 37 years of public service but continues working as a private consultant. An accomplished teacher and lecturer, he has also been published in many forensic science journals and books. Brent E. Turvey spent his first years in college on a pre-med track only to change his course of study once his true interests took hold. He received a Bachelor of Science degree from Portland State University in Psychology, with an emphasis on Forensic Psychology, and an additional Bachelor of Science degree in History. He went on to receive his Masters of Science in Forensic Science after studying at the University of New Haven, in West Haven, Connecticut. Since graduating in 1996, Brent has consulted with many agencies, attorneys, and police departments in the United States, Australia, China, Canada, Barbados and Korea on a range of rapes, homicides, and serial/ multiple rape/ death cases, as a forensic scientist and criminal profiler.
He has also been court qualified as an expert in the areas of criminal profiling, forensic science, victimology, and crime reconstruction. In August of 2002, he was invited by the Chinese People's Police Security University (CPPSU) in Beijing to lecture before groups of detectives at the Beijing, Wuhan, Hanzou, and Shanghai police bureaus. In 2005, he was invited back to China again, to lecture at the CPPSU, and to the police in Beijing and Xian - after the translation of the 2nd edition of his text into Chinese for the University. In 2007, he was invited to lecture at the 1st Behavioral Sciences Conference at the Home Team (Police) Academy in Singapore, where he also provided training to their Behavioral Science Unit. In 2012 Brent completed his PhD in Criminology from Bond University in Gold Coast, Australia. He is the author of Criminal Profiling: An Introduction to Behavioral Evidence Analysis, 1st, 2nd, 3rd and 4th Editions (1999, 2002, 2008, 2011); co- author of the Rape Investigation Handbook, 1st and 2nd Editions (2004, 2011), Crime Reconstruction 1st and 2nd Editions (2006, 2011), Forensic Victimology (2008) and Forensic Fraud (2013) - all with Elsevier Science. He is currently a full partner, Forensic Scientist, Criminal Profiler, and Instructor with Forensic Solutions, LLC, and an Adjunct Professor of Justice Studies at Oklahoma City University. He can be contacted via email at: bturvey@forensic-science.
com.