Director/ Senior Instructor, Devin Crinklaw has trained thousands of students in all areas of self-defense. He is a 20 plus year LE veteran, 14 year veteran SWAT Team member and trainer with an extensive background in threat mitigation, firearms and tactics training. From Civilians, Police/First Responders and Military, In Extremis Tactical Group’s desire is to specialize in providing high quality affordable training based on research, science and experience.