HeyJaredShjarstack
My thoughts on American policing, crime and violence, and everything else tangential to those topics.
- Indexed issues, last 90 days
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- Sep 28, 2026
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- Sep 2, 2026
Latest issues
Police body-worn cameras have not been a panacea in reducing police use of force (opens the original)
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**This passage is part of a forthcoming book chapter in Critical issues in policing: Contemporary readings (9th edition):In the wake of Ferguson in 2014, officer body-worn cameras (BWCs) rapidly diffused among police departments across the United States. Much of this diffusion can be attributed to the prioritization of federal funding for the technology as well as an early study that found BWCs reduced use of force by 60% in Rialto, California (Ariel et al., 2015). BWCs were a common recommendat
Administrative policy, when enforced, influences police use of force (opens the original)
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**This passage is part of a forthcoming book chapter in Critical issues in policing: Contemporary readings (9th edition):I contend there is now enough empirical evidence to suggest that departmental policies affect the level of and type of force used by officers. Policy influences police behavior generally and use of force is a subset of that behavior (see, e.g., Adams et al., 2021; Mummolo, 2018). Starting with deadly force, this literature dates back decades to the pioneering work of the late
Suspect resistance, including causing officer injuries, and the presence of a weapon are the most salient indicators of police use of force (opens the original)
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**This passage is part of a forthcoming book chapter in Critical issues in policing: Contemporary readings (9th edition):One of the most consistent themes in the literature is that citizen resistance during an encounter with the police, particularly whether an officer is injured, as well as the presence of a weapon increases the likelihood that force is used (see, e.g., Alpert & Dunham, 2004; Fridell, 2017). These findings persist across different research methods and data sources, including in-
“What we know, think we know, and do not know about police use of force” (opens the original)
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Let me start by saying that it’s always an honor to write a book chapter in Geoff Alpert, Kyle McLean, and Ian Adams’ Critical Issues in Policing edited volume. This forthcoming book will be its 9th Edition.Kyle and Ian asked if I’d be willing to write a chapter on “something akin to Adams’ 1999 technical report on the use of force.” I remember reading Adams’ 1999 technical report in Mike White’s graduate policing seminar back in 2012. Mike White had us reading the 6th edition of Critical Issues
Flock Safety Versus ALPRs More Broadly (opens the original)
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For the past few weeks, there has been a growing bipartisan moral panic over automated license plate readers (ALPRs). I’ve been following the coverage closely, was interviewed by 3 journalists so far, and contributed a piece for the City Journal that can be read here.What I’ve seen is the conflation of Flock Safety and ALPRs. Flock Safety is but one of many different ALPR companies. Thanks
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