Prosecutors have criminally charged police officers when the officer has shot someone in the back or when the officer shot someone falling down, stating that these shots were unjustified. There is a fine line between shots that are a lawful response to a deadly threat and shots that are fired after the deadly threat ceases. The only time a private citizen defender (or law enforcement officer for that matter) may use lawful deadly force is when another is threatening or using unlawful deadly force. When the threat has ended, the defender must stop using deadly force. Of course, the problem lies in determining exactly when the threat has ended. The fact that basic human nature often causes an attacker to reflexively turn away from the defender’s gun compounds the difficulty of making this determination.
Dynamic, deadly encounters can happen very quickly and a private citizen’s use of deadly force in lawful self defense can be over in moments. However, close legal scrutiny on the defender’s decision to start and stop shooting can result in the aftermath taking years to play out.
Massad Ayoob cites an example of this challenge in the case of Florida v. Mary Hopkin in the mid-1980s. Mary Hopkin was a frequent victim of her burly common-law husband James Yarolem who often beat her and once had strangled her and left her for dead. Yarolem was out on bail and drunk when he returned to Hopkin’s home and tried to enter. Hopkin wouldn’t let him in and warned him that she had a gun; however, he broke down the door and advanced on her.
Hopkin fired three shots as fast as she could from a .22 LR revolver and stopped shooting when she perceived Yarolem to turn and run. He collapsed and died outside; however, Hopkin’s shots had hit him once in the chest, once in the side just behind lateral midline, and a fatal shot square in the back and into his heart. Janet Reno charged her with murder because she shot Yarolem in the back when he was “no longer a threat.” However, the jury found her not guilty after her attorney Mark Seiden, deconstructed the state’s case meticulously point by point with Massad Ayoob’s assistance.
Exactly how fast can someone turn around? Professor Bill Lewinski of the Force Science Institute at the University of Minnesota at Mankato found that a person could turn from facing forward to exposing their lateral mid-line in ¼ second for ¼ turn and ½ second for ½ turn--in other words fully presenting their back in 0.50 seconds. Further, there are cases where a shooter facing away can effectively point their pistol behind them (Lewinski, B., (2000)).
The Tadarius Hunt Incident:
In the images below, Tadarius Hunt, a suspect wanted for attempted murder points his pistol backward and fires at a police officer as he is running in the opposite direction. We see two different versions of the incident – one from police vehicle dashcam and one from the officer’s perspective. In the picture Back #1 below, Hunt has drawn a pistol and is firing it at the officer.
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Back #1 Hunt has drawn a pistol and is firing it at the officer |
In the picture Back #2 below, Hunt has turned to his right and is pointing the pistol at the officer as he prepares to fire once again.
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Back #2: Tadarius Hunt Pointing A Pistol At Police Officer |
In the picture Back #3 below, Hunt has turned further to his right and is firing the pistol at the officer once again.
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Back #3: Hunt Firing at the Police Officer |
Every time the Hunt pointed his pistol at the police officer, his back was exposed. It is likely that without the video evidence, it would have been easy for an emergency room physician or a prosecutor to conclude that the officer shot Hunt in the back as he was fleeing.
The Force Science Research Center (FSRC) has done research to understand the stop shooting problem when a police officer is shooting and assessing and has identified several factors explaining why a police officer who is both shooting and assessing cannot stop shooting immediately. This is the exact same problem a private citizen defender faces.
John Farnam did a study of just how fast someone could fire a revolver and found that it could be fired four times a second, while a semiauto could be fired five or possibly six times a second. My personal testing shows that someone with intermediate to advanced skills could fire a revolver five to six times a second and a semi as many as six to eight shots in a second. Of course, adrenaline, firearm design, and personal skill can affect this speed. Jerry Miculek holds the current record for shooting eight shots from a revolver on a single target in 0.94 seconds or one shot every 0.117 seconds (not counting his reaction time to the timer signal).
In the Tempe Study (2003), the FSRC determined that the typical reaction time to an anticipated stimulus is 0.25 seconds. From a stopping perspective, the study showed that when the average police officer stops shooting based solely on a perception of change in the outside world (and was anticipating this change), the fastest the officer is able to do this is 35/100ths of a second resulting in two shots being fired (p. 28). The ability to stop will occur not when the subject has changed their threatening behavior but after the police officer begins to detect a change in the threatening behavior. This distinction is important because the psychological processes of perception and detection often take many times longer than the physical responses involved.
The FSRC concluded that an officer who engages sequentially in all of the steps necessary to cycle through the observe, orient, decide act process can take a second to a second and a half or more to stop shooting. Measured in trigger pulls, which are occurring at a quarter of a second each, this is an extra four to six rounds after the threat stops.
This is approximately the same amount of time that Green (2000) found for reactions to applying the brake and stopping in a real-world driving situation. This means that it is not possible to stop shooting at an attacker before he/she has an opportunity to spin and receive shots to the back (see also Lewinski, B., (2000)).
What are the implications for the armed citizen? If you are committed to firing a shot and have started to pull the trigger, the speed with which you can pull the trigger likely precludes stopping that action. If the threat turns as you pull the trigger, the trigger pull speed when combined with turning speed (particularly the speed of a young, athletic person) could easily result in justifiably firing one or more rounds that impact the threat in the back.
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Ph.D. Lewinski, B., (2000) Why Is The Suspect Shot In The Back? Finally, Hard Data on How Fast the Suspect Can Be In Eleven Different Shooting Scenarios
Ph.D. Lewinski, B., & Hudson, B. (2003a). Time to start shooting? Time to stop shooting? The Tempe study. The Police Marksman, 28(5), 26-29.
Green, M. (2000). “How long does it take to stop?” Methodological analysis of driver perception-brake times. Transportation Human Factors, 2(3), 195-216.