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. (Daniel Woolfolk and Lars Schwetje/Staff)
Military Times is launching a video series based on the best-selling “100 Deadly Skills' book series. Retired Navy SEAL and survival expert Clint Emerson lays out a step-by-step guide for how to defend yourself, escape and ultimately survive any situation.