Research in Brief: Modified Brazilian Jiu-Jitsu Training

The use of force is sometimes necessary in policing, and minimizing its harmful consequences is essential. Highly publicized police use-of-force incidents often lead to calls for better training. However, little research has examined the real-world impact of police use-of-force training. Instead, research largely focuses on whether officers report liking the training or whether they use training tactics in hypothetical scenarios.1

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Co-responder models for responding to people in mental distress have become increasingly used in policing in the United States over the last decade. These approaches involve police officers partnering...
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Recent research has placed one of policing’s most venerable tools—the K9 unit—under fresh empirical scrutiny. The findings of a new study run counter to long-held convictions on both sides of th...
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The challenge of bringing about substantial organizational change in policing extends beyond reform. Police chiefs are tasked with guiding their agencies through various dynamics, including shifts in ...
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Are officers more likely to shoot and to fire more rounds when nearby officers open fire at a suspect? This question directly addresses the “contagious fire” phenomenon, which comes into play in p...
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In the United States, nearly 5 million people currently serve as professional or volunteer first responders, including police officers, emergency communication operators (ECOs), correctional officers ...
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A few years ago, predictive policing was all the rage. The term appeared with considerable frequency, companies offered expensive software options to police departments, and related sessions at the IA...
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Police agencies are grappling with a significant reduction in personnel. Across the United States, there has been nearly a 5 percent decrease in sworn staff over the past three years.1 Since May 20...
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Law enforcement and the communities they serve want many of the same things. They want effective responses to crime and other problems. They want policing that promotes safety and trust....
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In 2016, 33 percent of local law enforcement agencies used bicycle patrols on an as-needed basis, with 6 percent utilizing them regularly. This marked a slight increase from 2007 when around 27 per...
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Calls for a police workforce that is diverse with respect to race, ethnicity, and gender date back many years, and the benefits of diversity are now well supported by empirical research.1 Yet, achi...