Kristen Beyer Author

Craig N. Ackley, M.S., is a former supervisory special agent with the FBI. He retired from the Behavioral Analysis Unit (BAU) of the FBI’s National Center for the Analysis of Violent Crime where he provided psychological and behavioral support primarily in the areas of sexual assault, domestic violence, stalking, and homicide. He is currently the president of Behavioral Science Education and Consultation Services, Inc.

Shannon McAuliffe Mack, M.A., is a former senior research analyst with the FBI’s National Center for the Analysis of Violent Crime, where she provided research support and case-specific operational assistance. She is currently vice president of Behavioral Science Education and Consultation Services, Inc., where she provides operational assistance and training in the areas of trial strategy, interview strategy, and case analysis.

Kristen Beyer, Ph.D., is a licensed clinical psychologist who formerly worked in the FBI’s National Center for the Analysis of Violent Crime as the supervisory social/behavioral science research coordinator where she provided consultation, training, and research on violent crime matters. She is currently a consultant with Behavioral Science Education and Consultation Services, Inc. and an adjunct professor.

Philip Erdberg, PhD, is a diplomate in clinical psychology of the American Board of Professional Psychology. He is a past president of the Society for Personality Assessment, the 1995 recipient of the Society’s Distinguished Contribution Award, and the 2001 recipient of the Outstanding Achievement Award of the Forensic Mental Health Association of California. He consults in a variety of school, clinical, correctional, and law enforcement settings and is a frequent workshop presenter.