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"21 Feet" What does it really mean?1/13/2016 12:00:00 AM
"21 Feet" What does it really mean?Dirk LowryThe Police Executive Research Forum recently released their report;"Re-engineering Training on Police Use of Force". (Report)The document contains an in-depth discussion of Lt. Dennis Tueller's 21-foot drill, often erroneously cited as the "21-foot rule". The comments within the document should be alarming. Many national police executives opine that the 30 year old magazine article written by Tueller has been misinterpreted as creating a "21-foot kill zone". While the evidence for this opinion is anecdotal at best - this article is intended to clarifyany misinterpretation.Facts on Tuellers 21-foot DrillBelow are the facts from the original article which you can read here:(Article):
- An armed (edged or blunt weapon) suspect can cross 21 feet in about 1.5 seconds.
- An officer may draw from the holster and fire 2 rounds in 1 - 1.5 seconds.
- Those first rounds may not stop the threat.
- Develop tactical awareness to spot danger signs early.
- Spotting danger signs early will allow an officer to "probably" avoid the confrontation altogether.
- "A tactical withdrawal may be your best bet".
- If an attack is imminent, move to cover, draw your weapon and plan the next move.
- A study by Duane Wolfe has shown seated suspects can cross 5 feet at an average of 1.3 seconds.
- A second study by Wolfe shows standing suspects can cross 6 feet at an average of 1.1 seconds.
- A study by the Force Science Institute shows standing suspects can cross 25 feet at an average of 1.6 seconds.
- A study by Alexander Jason has shown officers draw (multiple holster types) and fire 1 round from the holster at an average of 1.5 seconds.*
- A study by the Force Science Institute has shown officers draw and fire 1 round from the Level III holster at an average of 2.0 seconds.*
- A study by FLETC / Bruce Siddle has shown officers reacting to a threat can fire from a high ready position at an average of 1 second with 30 percent accuracy. The accuracy increased to 90 percent with a response time of 2.3 seconds.**
- A study by the Force Science Institute has shown officers can fire from a high or low ready position at an average of .83s.*
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