Body worn video (police equipment) Police. In 2006, the first significant deployments of body worn video at the national level were undertaken by the Police Standards Unit (PSU) as part of the Domestic Violence Enforcement Campaign (DVEC). The basic command units equipped with the head cameras recorded everything that happened during an incident from the time of arrival which led to the "preservation of good-quality first disclosure evidence from the victim". The evidence gathered was deemed especially useful in the way of supporting prosecutions if the victim was reluctant to give evidence or press charges. This led the Home Office to publish a report stating
Body worn video victims or suspects. A 2017 study from Washington, D.C. including a large number of law enforcement officers showed no effect of body cameras on documented uses of force and civilian complaints, or on a variety of additional policing activities and judicial outcomes. The authors suggest 'we should recalibrate our expectations' of body-worn cameras: "they may have great utility in specific policing scenarios, but we cannot conclude from this experiment that they can be expected to produce large, department-wide improvements in outcomes". In reviewing the existing research on police body-worn cameras in 2017, University of Virginia economist Jennifer Doleac noted that