Learn to barricade an inward opening door in the event your office or home falls victim to an active shooter. Clint Emerson is a Navy SEAL (Ret.) and the author of 100 Deadly Skills.
Learn to barricade an inward opening door in the event your office or home falls victim to an active shooter. Clint Emerson is a Navy SEAL (Ret.) and the author of 100 Deadly Skills.