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A Randomized Controlled Trial Of The Impact Of Body-Worn Camera Activation On The Outcomes Of Individual Incidents, Jessica Huff, Charles M. Katz, E. C. Hedberg

Criminology and Criminal Justice Faculty Publications

Objectives

Evaluate the impact of body-worn cameras (BWCs) on officer-initiated activity, arrests, use of force, and complaints.

Methods

We use instrumental variable analysis to examine the impact of BWC assignment and BWC activation on the outcomes of individual incidents through a randomized controlled trial of 436 officers in the Phoenix Police Department.

Results

Incidents involving BWC activations were associated with a lower likelihood of officer-initiated contacts and complaints, but a greater likelihood of arrests and use of force. BWC assignment alone was unrelated to arrests or complaints; however, incidents involving officers who were assigned and activated their BWC were significantly …

Body-Worn Cameras And Transparency: Experimental Evidence Of Inconsistency In Police Executive Decision-Making, Brandon Tregle, Justin Nix, Justin T. Pickett

Criminology and Criminal Justice Faculty Publications

Body-worn cameras (BWC) have diffused rapidly throughout policing as a means of promoting transparency and accountability. Yet, whether to release BWC footage to the public remains largely up to the discretion of police executives, and we know little about how they interpret and respond to BWC footage – particularly footage involving critical incidents. We asked a nationally representative sample of police executives (N=476) how supportive they were of legislation that would mandate releasing BWC footage upon request as public information, and presented them with an experimental vignette about BWC capturing one of their officers fatally shooting an [armed/unarmed] [Black/White] suspect. …

Attitudinal Changes Toward Body-Worn Cameras: Perceptions Of Cameras, Organizational Justice, And Procedural Justice Among Volunteer And Mandated Officers, Jessica Huff, Charles M. Katz, Vincent J. Webb, E. C. Hedberg

Criminology and Criminal Justice Faculty Publications

Little is known about officer perceptions of body-worn cameras (BWCs), and whether perceptions change following implementation within their agencies. BWC deployment varies, with some agencies mandating officers to wear BWCs and others using volunteers. Researchers have yet to assess attitudinal differences between volunteers and mandated officers. This study addresses these gaps using data from an evaluation of BWCs in the Phoenix Police Department to examine officer perceptions of the utility of BWCs, perceptions of organizational justice, and support for using procedural justice. We use inverse propensity weighted difference-in-difference models to examine changes in officer perceptions over time between randomly selected …

Understanding Body-Worn Camera Diffusion In U.S. Policing, Justin Nix, Natalie Todak, Brandon Tregle

Criminology and Criminal Justice Faculty Publications

By 2016, approximately one half of American police agencies had adopted body-worn cameras (BWCs). Although a growing body of research has examined the impact of BWCs on outcomes such as use of force, complaints, and perceptions of police, few have considered how and why some agencies adopted BWCs, while others have not. With guidance from the diffusion of innovations paradigm, this study explores variation in BWC adoption by police agencies. Drawing on a survey administered to a national probability sample of 665 municipal police executives in the spring of 2018, we found agency size, region, and the demographic composition of …