Dr. Turner is a clinical psychologist with a focus in forensic psychology. He is the creator of the Analysis of Patterns of Denial (APOD) among sex offenders, and he has published and continues to publish numerous research articles and book chapters on risk assessment of sex offenders, risk assessment tools, child sex offender and victim behaviors, grooming, psychopathy, risk assessment of child pornography offenders, and juror perceptions and decision making in sex offense cases. Dr. Turner works throughout the nation as an expert witness in various state and Federal Courts. His work includes many high-profile cases such as testifying in the R. Kelly trial and as a consultant in the Derek Todd Lee and Samuel Little serial killer cases. He provides APOD and other trainings across the nation and internationally. He serves as a consultant with local, state, and federal law enforcement agencies and media on the topics of victim behavior in child sex offenses (e.g., reasons for delays in disclosure, reasons why victims may appear “attached” to their offenders) as well as offender characteristics such as grooming of child victims, self-grooming, grooming of the environment, assessment of risk, and detection of offenders. Agencies with which he has consulted include the FBI, NCIS, United States Marine Corps, Army CID and the Department of Homeland Security. In addition to sex offender risk assessments, Dr. Turner has worked in conjunction with Internet Crimes Against Children (ICAC) to assess investigators and attorneys who work daily in the field of child pornography and child molestation offenses to assess for burnout and secondary trauma. He also conducts various other court-related evaluations such as Competency to Stand Trial, Competency to Proceed to Trial, Sanity at the Time of the Offense, Violence Risk Assessments, and evaluations to determine mitigating mental health factors in offenders. Dr. Turner has taught at the university and graduate level on the subject of Ethical Principles in Forensic Evaluations, General Ethical Principles in Psychology, Abnormal Psychology, Psychological/Criminal Profiling, and Statistical Methods in Psychological Research.