I have 30 years of experience, and specialize in the field of criminal justice with specific knowledge in the areas of use of force, training and sexual harassment. I have published on such topics as use of force, sexual harassment, restraints, defensive tactics, electronic control devices, excited delirium, policy and procedures, deadly force, non-deadly force, electronic control device forensic analyses and related subjects. I have testified 90 times on topics such as use of force, electronic control devices, sexual harassment, training, and policy and procedures.