place yourself in the best tactical position.


In 1983, Dennis Tueller wrote a groundbreaking article entitled How Close is Too Close?  As a result, the terms the “Tueller Drill” and the “21 Foot Rule” have become well known. The Tueller Drill is even incorporated into the NRA Personal Protection In The Home Course.

However, in a 2008 interview, Dennis notes that he doesn’t use those terms, instead referring to it as the Tueller Principle. His original article relates the concept of a ”Danger Zone” and the need to “place yourself in the best tactical position.” The revolutionary, for the time, concept he came up with was to measure Distance/Time Relationships of Armed Encounters. By doing so, he brought about a much greater understanding of the concept that distance is your friend.

The article also emphasized using cover and placing obstacles between yourself and an attacker. The context…

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