The national debate about police use of force against racial minority residents has led to increased attention to body-worn cameras (BWCs) as tools for increasing police accountability. Although researchers have documented the effectiveness of BWCs, little research has been done to examine why police departments decide to use them in the first place. Based on an innovation framework, the current study aims to explain what factors determine police departments’ decisions to implement BWCs. By examining 139 U.S. police departments using event history analyses, I find that the police departments with a higher severity of police-involved deaths of minority residents and a higher strength of social movements protesting police brutality are more likely to implement BWCs. In addition, some organizational and environmental factors, including the availability of federal grants and the council-manager form of government, have significant associations with BWC implementation. Findings also suggest that different patterns of BWC implementation are demonstrated according to environmental context.
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