It is a supremely bad idea to break the fourth rule of firearm safety, “Be sure of your target and what is beyond it.” This is why incorporating lights in your home-defense setup is paramount.
Col. Jeff Cooper's list of safety rules includes, "Be sure of your target and what is behind it." In a self-defense scenario, this can be difficult to apply, but it's critical. Here are Sheriff Jim's thoughts on it.
It is a supremely bad idea to break the fourth rule of firearm safety, “Be sure of your target and what is beyond it.” This is why incorporating lights in your home-defense setup is paramount.