Train with the Nation's Leading Instructors.

Each LETN instructor is not just an accomplished
professional — they're the people other agencies call when it matters most. Rigorously selected trainers with proven records in active duty, investigations, leadership, and advanced tactics. Training is built from real cases and tested under pressure, regularly refreshed to reflect current best practices.

Marlon Marrache

Marlon Marrache, a retired LAPD Sergeant with over 25 years of service and a Juris Doctorate, is a recognized expert in police misconduct and use of force investigations, having overseen hundreds of Internal Affairs cases and served in both prosecutorial and defense roles. He now consults nationwide, teaches California P.O.S.T. certified courses, and hosts The IA Guy: A Police Podcast, which has surpassed one million views.

Jamie Gissel

Jamie Gissel is a 20+ year law enforcement veteran who spent nearly 16 years on his department’s full-time SWAT team as a lead breacher and tactical instructor, taking part in hundreds of high-risk operations. He now leads his department’s Advanced Training Unit and founded Valor Threat Protection, delivering specialized training nationwide in areas such as active shooter response, breaching, advanced tactics, and officer mindset development. His mission is to raise the standard of training and prepare officers to succeed when lives are on the line.