If and when society breaks down, tens of millions of preppers will hunker down in their retreat to ride out the chaos, but will their retreat be secure enough to keep out the horde? In this episode, Johnny and Rob dive into a detailed discussion on how secure the perimeter of your retreat. Tactics from the ancient Romans, Dark Ages, Vietnam, World War 1&2 and modern warfare are discussed. Disclaimer: Many of the topics discussed are illegal and can cause serious injury or death. Please do not employ any of these tactics or devices. This is for educational purposes only and should only be considered in defense of your life in a world without rule of law.