Most Popular Books
- Mass Killers: How you Can Identify, Workplace, School, or Public Killers Before They Strike
- Face 2 Face: Observation, Interviewing and Rapport Building Skills: An Ex-Secret Service Agent's Guide
- 10-Code: Written by Cops, Honoring the Ultimate Sacrifice
- The Blue Monster
- Mass Killers: How you can identify workplace, school, or public killers before they strike