David Byrne

Dr. David S. Byrne is an Assistant Professor of Criminal Justice and Homeland Security at St. John’s University, specializing in Criminal Investigations and Intelligence Studies, and is the SJU Faculty Advisor for the Homeland Security Student Association. Dr. Byrne’s career spanned nearly a decade and a half in Law Enforcement Intelligence, focusing on violent transnational organized crime and homeland security investigations. He earned his Ph.D. in Information Science (with a specialization in Criminal Justice Technologies) and a Master of Science in Criminal Justice, both from LIU Post, NY, and a second Master's in Library Science from St. John’s University, NY.

Courses Taught
CRJ 2003 AMERICAN JUDICIAL SYSTEM
CRJ 2004 AMERICAN CORRECTIONAL SYSTEM
CRJ 2007 CRIME SCENE INVESTIGATION
CRJ 3101 CRIMINAL INVESTIGATION
HLS 1010 INTRODUCTION TO INTELLIGENCE
HLS 1019 HOMELAND SECURITY INTELLIGENCE & COUNTER TERRORISMTeaching Interests
Crime Scene Investigations, Criminal Investigations, and Intelligence Collection & Analysis.

Dr. Byrne incorporates interactive activities in the classroom, including the popular Mock Crime Scene and Mock Jury Trial.Research Interests
Enhancing criminal justice education and intelligence studies via simulations and technology, cybercrime, forensic science, OSINT, and privacy.

Courses Taught