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TRAINERS
Imparting the Knowledge of Investigative Excellence
All of our trainers are leaders in their field and excited to share their knowledge and expertise!
Meet the TDA Trainers
Chris Langley
Founder & Lead Trainer
Current Major Crimes Detective with 18 years of violent crime investigative experience and 25 years in Law Enforcement
Chris is passionate about imparting his knowledge. He is credited with developing the only "how to investigative" blueprint for criminal investigations.
Bob Shaffer
Retired Sergeant
Bob brings a wealth of knowledge about modern statement analysis techniques. His LSAT skills are often solicited by law enforcement agencies throughout the US.
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