Adjunct Instructor

Phone: (254) 598-2923


  • The University of Southern Mississippi: Doctor of Philosophy, Administration of Justice
  • Dissertation: Gender Criminal Sexuality and Psychopathology: Pornography as a Contributory Risk Factor
  • in the Psycho-Social Development of Violent Sex Offenders
  • The University of Texas at Tyler M.P.S. in Public Administration, Concentration in Criminal Justice Policy
  • John Jay College of Criminal Justice M.A. in Forensic Psychology
  • C.W. Post Center-Long Island University M.P.S. in Criminal Justice
    Thesis Title: Child Molestation
  • New York Institute of Technology B.S. in Criminal Justice-Police Science


35 years of criminal justice and corrections experience, both in the military, as well as a civilian. He is originally from Long Island, New York, and began his professional career in criminal justice in the U.S. Marine Corps, after having attended Military Police and Corrections School at Ft Gordon in Georgia. He is also retired psychologist and psychotherapist from the Texas Prison System with more than 25 years of clinical-forensic mental health experience, treating a wide variety of convicted felons institutionalized with mental health and mental retardation issues, along with concurrent sex offender and addiction/substance abuse problems. In addition, Dr. Tiefenwerth holds a number of professional state and national licenses and certifications, including: as a Texas State Licensed Professional Counselor, a Texas State Licensed Sex Offender Treatment Provider, a Nationally Certified Psychologist, a Nationally Certified Criminal Justice Addiction Specialist, a Nationally Certified Correctional Health Professional, as well as possessing several other state, national, and international certifications in the forensic mental health and addiction/substance abuse counseling fields.

Recent Teaching Areas:

Forensic Victimology
Psychology of the Criminal Mind
Criminal Personality
Understanding the Dynamics of Antisocial behavior
The Substance Abusing Batterer

Recent Research Interests:

Correctional Psychology

Prevarication and Detection of Deception

Interview and Interrogation

Assessment of Forensic Populations

(Mentally Ill/Retarded Offenders, Sex Offenders, Substance Abusers, and domestic violence abusers)

Clinical-Forensic Mental Health Evaluations

Risk Assessments for dangerousness and recidivism of forensic clients.

Professional Organizations, Affiliations, and Activities:

  • Academy of Correctional Health Professionals
  • Academy of Criminal Justice Sciences
  • American Association of University Professors
  • American Society of Criminology
  • American Sociological Association
  • American Counseling Association
  • American Mental Health Counselors Association
  • American Association for Correctional & Forensic Psychology
  • American Association of University Professors
  • APA Div. 2 Society of the Teaching of Psychology
  • APA Div. 18 Psychologists in Public Service-Criminal Justice Section
  • APA Div. 41 American Psychology- Law Society
  • APA Div. 50 Addictions
  • Community College Criminal Justice Educators of Texas
  • International Association of Addictions and Offender Counseling
  • International Association of Correctional Training Personnel
  • Louisiana Association of Addiction and Offender Counselors
  • Louisiana Association of Crisis Negotiators
  • Louisiana Association of Drug Court Professionals
  • Louisiana Mental Health Counselors Association
  • Louisiana Substance Abuse Counselors and Trainers
  • (Former Board Member and Vice Chair of the Credentialing Committee)
  • National Association of Masters in Psychology
  • Society of Police and Criminal Psychology
  • Southern States Correctional Association
  • Southwestern Association of Criminal Justice
  • Texas Association of Addiction Professionals
  • Texas Association of College Teachers
  • Texas Association of Criminal Justice Educators
  • Texas Association of Hostage Negotiators
  • Texas Community College Teachers Association
  • Texas Counseling Association
  • Texas Mental Health Counselors Association
  • Texas Retired Teachers Association