Candice A. Skrapec is a professor in the Department of Criminology at California State University, Fresno. She is a psychologist and criminologist. For the past 20 years she has maintained her research focus on serial murder (particularly in terms of underlying biological and psychological factors) and continues her interviews of incarcerated serial murderers in different countries. Her professional works and academic research result in regular calls from the media, movie and documentary producers, as well as authors of fact and fiction books in the areas of serial murder to investigate profiling. With over 20 years of experience in the law enforcement field working with officers and agencies in Canada, the United States, and Mexico, she is also frequently consulted by police around the world to assist in the investigation of homicide cases. She has taught a wide range of criminology courses since 1988 and has trained police and correctional officers in different countries in the areas related to her academic research and professional experience.