Retired Plano Police Lieutenant with more than 25 years of full-time law enforcement experience and command-level leadership in criminal investigations, SWAT and tactical operations, police training, use of force, and patrol supervision. Supervised crimes against persons investigations in Plano, Texas, including homicides, robberies, assaults, sex offenses, and officer-involved shootings. Founder and managing principal of a licensed private investigations and consulting firm. Retained as a consulting and testifying expert in criminal and civil cases involving self-defense, use of force, criminal investigations, police procedure, and firearms. Testified as an expert witness in Texas, Oregon, Washington, and Virginia.