- The Quiet Threat: Fighting Industrial Espionage in America
- Probing Into Cold Cases: A Guide for Investigators
- Document Security: Protecting Physical and Electronic Content
- Investigating Information-Based Crimes: A Guide for Investigators on Crimes Against Persons Related to the Theft or Manipulation of Information Assets
- How to Do Financial Asset Investigations: A Practical Guide for Private Investigators, Collections Personnel and Asset Recovery Specialists







