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The rapid diffusion of license plate readers in US law enforcement agencies

机译：许可证读者在美国执法机构的快速扩散

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Purpose The purpose of this paper is to document the diffusion of license plate readers (LPRs) in the USA, examining the variety, evolution and tracking of their uses through a national survey.Design/methodology/approach This study employs a national, stratified, representative survey of US law enforcement agencies with 100 or more officers.Findings LPR technology is currently used by at least two-thirds of larger police agencies, which represents a more than threefold increase in LPR acquisition in the last 10 years. The number of LPRs per agency, while small (about eight on average), has also more than doubled. Federal and state funding, advocacy by law enforcement leaders, and the intuitive appeal of LPRs have likely contributed to this rapid adoption. While LPRs are still primarily used to detect and recover stolen automobiles in patrol, their use has expanded into other types of investigative and security functions. Despite the increased use and numbers of LPRs in policing, their use is highly discretionary and infrequently tracked.Practical implications LPRs continue to be widely used in law enforcement, despite a lack of strong research evidence for their crime prevention benefits. Further studies are needed on the most effective ways for agencies to utilize small numbers of LPRs and the potential return on investment for acquiring larger numbers of the devices.Originality/value This study tracks the history of LPR diffusion and use and goes beyond prior law enforcement surveys by examining specific uses of LPRs and the extent to which agencies track their uses and outcomes.
机译：目的本文的目的是记录在美国的牌照读者（LPRS）的扩散，通过国家调查检查其使用的各种，演进和跟踪.Design/Methodology/Approach本研究雇用了国家，分层，美国执法机构有100个或更多官员的代表性调查。专用LPR技术目前用于至少三分之二的较大警察机构使用，该机构在过去10年中占LPR收购的三倍以上。每个机构的LPRS数量，而小（平均约八）也增加了一倍多。联邦和州的资助，执法领导者的宣传，LPRS的直观上诉可能导致这种快速采纳。虽然LPRS仍然主要用于在巡逻中检测和恢复被盗的汽车，但它们的使用已经扩展到其他类型的调查和安全功能。尽管在警察中使用和LPRS的数量增加，但它们的使用是非常自由的，并且不经常追踪。尽管缺乏犯罪预防福利的强有力的研究证据，但LPRS继续被广泛使用LPRS。需要进一步的研究，以利用少数LPRS和获取更多数量的设备的潜在投资回报。该研究追踪LPR扩散和使用的历史并超越前瞻性执法的历史通过检查LPRS的特定用途以及机构追踪其用途和结果的程度来调查。

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