According to a news study conducted by physicians, police officers rarely use force when arresting criminal suspects and, when they do, the majority of suspects are not injured. A research team, led by William P. Bozeman of the Wake Forest School of Medicine, found that 61 percent of suspects had no reported or observed injuries after officers used force during their arrest while 1.7 percent suffered moderate or severe injuries, including one death. Additionally, fewer than 1 percent of arrests examined required the use of force, which can range from verbal commands, control holds and strikes with a closed fist to employing stun guns, chemical sprays, police dogs and firearms.

The study’s findings contract widely-held beliefs about the use of force by law enforcement officers that have been shaped, especially, since the 2014 death of Michael Brown, a young black man who was shot to death by a white officer in Ferguson, Missouri. Moreover, news reports of officers beating unarmed citizens in recent years have sparked outrage and questions about how police treat people of color. Riots were sparked in Ferguson and elsewhere when protesters clashed with police.

The researchers examined more than 1 million calls for service made in 2011 and 2012 to police stations in: Mesa, Arizona; Shreveport, Louisiana; and Winston-Salem, North Carolina. Unlike previous studies, they investigated the types of force used during each arrest and identified and classified all resulting injuries. A panel of five physicians reviewed all injuries considered moderate or severe to determine their final classification.

It’s worth noting that the team did not look at suspects’ race or ethnicity as a part of their study, published in March 2018 in the Journal of Trauma and Acute Care Surgery.

Some of the other key findings:

  • When officers used force, they mostly used either physical force or stun guns. Fifty-one percent of the time, police used “unarmed physical force” — a category that includes control holds and joint manipulation as well as kicks, strikes with closed fists, knees or elbows and forcibly throwing someone to the ground. They used stun guns, commonly known by the brand name TASER, 36 percent of the time.
  • Just over 6 percent of use of force incidents involved pepper spray. Another 3 percent involved police dogs.
  • Firearms were used 0.4 percent of the time, representing a total of six incidents.
  • Almost 40 percent of suspects suffered injuries as a result of police use of force. Of these, 37 percent had “mild” injuries — for example, abrasions and minor contusions. About 1 percent had “moderate” injuries such as bone fractures or a collapsed lung. Four people — 0.4 percent of suspects – suffered severe or life-threatening injuries.
  • Firearms and police dogs were most likely to cause significant injuries. “While this is also consistent with common sense and previous reports, small sample size/rarity of use limit this to a preliminary conclusion. More detailed data collection at a national level is now being implemented and should confirm and clarify this risk.”
  • Of the 355 suspects who were taken to the emergency room for a medical evaluation, 22 percent were hospitalized. Less than a quarter of those hospitalized had injuries related to officers’ use of force.



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Spero News writer Martin Barillas is a former US diplomat, who also worked as a democracy advocate and election observer in Latin America. His first novel 'Shaken Earth', is available at Amazon.

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