Zarzoza, Instructor Z. Antonio: - Antonio Zarzoza, known as "Instructor Z", is an esteemed police and corrections trainer with over 20 years of law enforcement experience. Serving as a Training Coordinator, Lead Instructor, and expert witness in Texas, Antonio also extends his expertise to corporate trainers of Fortune 500 companies. Certified internationally, Antonio has impacted law enforcement standards and training on a global scale. He also leads his own firm, Instructor Z & Associates International. Antonio is the author of a well-regarded book and is a popular keynote speaker and presenter. His insights have been featured widely in law enforcement publications.