Dr. Walton spent 24 years as an analyst at the Central Intelligence Agency.  His assignments included being posted to the Office of the Secretary of Defense at the Pentagon as an intelligence advisor to the Secretary of Defense during the implementation of the Dayton Peace Accords in the Balkans.

He has taught classes for Johns Hopkins University, Mercyhurst University, and the Sherman Kent School for Intelligence Analysis, the CIA’s analytic training academy.  He has been a faculty member in JMU's Intelligence Analysis Program since 2011.

He is the author of The Role of Intelligence in Ending the War in Bosnia in 1995 (2014), and Challenges in Intelligence Analysis: Lessons from 1300 BCE to the Present (2010), a collection of case studies for use in courses on analysis. One of Professor Walton’s hobbies is coin collecting, and he is also the author of The Spanish Treasure Fleets (1994), which is a history of the legendary pieces of eight, the first global currency.

He served in the U.S. Navy from 1970-1976.

• Introduction to National Security Intelligence
• Terrorism and Counterterrorism
• Hypothesis Testing
• Strategy Assessment
• Ethics and Law in Intelligence Analysis
• Anticipating Conflict Based on Observations from Space
• Targeting
• Introduction to Geospatial Intelligence