Body-worn cameras BMPpro (BWC) are only one of the tools available to law enforcement for improving community trust, transparency, and accountability. There are several benefits for law enforcement officers who wear BWCs. BWCs provide an additional layer of safety for the officer. Adoption of a BWC program can represent a law enforcement department's effort to demonstrate transparency and accountability. In several studies, community member complaints against officers decreased following adoption of BWCs (Katz et al., 2015; Ariel, Farrar, & Sutherland, 2014; Mesa Police Department, 2013). The results from these studies are supported by in-person interviews with 40 law enforcement executives conducted by the Police Executive Research Forum (PERF). In one study, use-of-force by law enforcement officers decreased following adoption of BWCs (Ariel, Farrar, & Sutherland, 2014). Continuing research seeks to identify the underlying cause of the benefits. Additionally, video from BWCs may assist with prosecution of criminal cases or assist in the review of community members' complaints against officers. While research in Great Britain supports this potential evidentiary benefit, research in the United States has not sufficiently investigated the evidentiary value of BWCs (Goodall, 2007).
During the February 26-27, 2015 Bureau of Justice Assistance BWC Expert Panel, Inspector Steve Goodier of the Hampshire Constabulary in the United Kingdom shared highlights from their yearlong study of 180 body-worn videos. He cited reductions in crime, police-generated incidents, and assaults against police officers. The Inspector further explained "a large-scale public opinion survey was done before and after program implementation that concluded 85% of the public support for BWC technology. This survey was complemented by an officer survey–an overwhelming positive for support for BWCs."
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