Our Instructors

Troy Arnold

Associate Instructor, USA

Troy Arnold has over 30 years’ experience in law enforcement. He is originally from Southern California and graduated from the University of California, Los Angeles earning a Bachelor of Arts degree in Political Science in 1988.   

After graduating from UCLA, Troy worked for the Los Angeles Police Department from 1988 to 1993 working as a patrol officer, training officer, gang/narcotics task force and undercover vice unit.  It was while working for LAPD that he learned of Verbal Judo and attended the training that has been invaluable throughout his career. 

After leaving LAPD, Troy moved to Denver, Colorado and began working as a criminal investigator with the 18th Judicial District Attorney’s Office working violent crimes, homicides/death penalty cases and economic crimes. He was a member of the Colorado District Attorney Investigator’s Association and served as president for two years.

From 2007-2021, he worked as a criminal investigator with the Colorado Attorney General’s Office Special Prosecutions/Environmental Crimes Unit where he investigated environmental crimes, homicides, human trafficking and complex economic crimes across the state.  He was the coordinator of the Colorado Environmental Crimes Task Force that consisted of over 500 members across the state and frequently conducted trainings on environmental investigations for law enforcement, prosecutors and environmental regulatory inspectors. 

Troy is currently a training consultant for the Western States Project, an organization created to provide training to environmental regulators, civil attorneys, law enforcement officers and prosecutors on how to conduct environmental investigations. In 2018, Troy became certified as a Verbal Judo instructor and began teaching “Verbal Judo for Environmental Inspectors” throughout the country and continues to do so as an Associate Instructor.