Brent Turvey, PhD 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 hold an MS in Forensic Science and a PhD in Criminology. He is a full partner, Forensic Scientist, Criminal Profiler, and Instructor with Forensic Solutions, LLC, and The Forensic Criminology Institute.Dr. Turvey also maintains a caseload of femicides (e.g., sexual homicides, gender motivated homicides), pre-femicidal violence, trafficking, and human rights cases in Latin America. Many of these are related to drug trafficking and human trafficking. This involves the implementation of the UN Model Protocol for Femicide Investigation in Latin America, with The Forensic Criminology Institute's Behavioral Science Lab (BSL). In operation since 2019, the BSL collaborates with USAID, The United Nations, and The Attorney Generals Office in Bogota DC, providing international support and training to attorneys , investigators and forensic professionals.Wayne Petherick is Associate Professor of Criminology at Bond University in Australia. Wayne's areas of interest include forensic criminology, forensic victimology, criminal motivations, criminal profiling, and applied crime analysis. He has worked on risk and threat cases, a mass homicide, stalking, rape, and a variety of civil suits involving premises liability and crime prevention. He has presented to audiences in Australia and abroad, and has published in a variety of areas including social science and legal works in the areas of criminal profiling, expert evidence, stalking, serial crimes, criminal motivations, and victimology. Wayne is co-editor of Forensic Criminology, and editor of Profiling and Serial Crime: Theoretical and Practical Issues, now in its third edition.