This article contributes to sociological understandings of race and social movements by reassessing the phenomenon of social movement emergence for Black social movements. Broadly, it addresses the possibility of organizational support for Black social movements. More narrowly, it seeks to understand the emergence of Black movements and racial change as outcomes of organizational transformation, specifically using the case of how the mixed-race prison reform organization Action for Police Reform (APR) joined the Black Lives movement. By providing a case of racial transformation and the spanning of tactical boundaries, I present two central arguments. First, it is necessary to look within organizational forms and at organizational dynamics to see how activists modify their organizations to support Black movements. Second, tailored more directly to the case of APR, sustained support for Black movements depends on organizational transformation, such as when activists repurpose an organization’s form and resources to maintain racially delimited tactics.

本文通过重新评估黑人社会运动的社会运动涌现现象，有助于对种族和社会运动的社会学理解。从广义上讲，它解决了组织支持黑人社会运动的可能性。更狭隘地，它试图将黑人运动的出现和种族变革理解为组织转型的结果，特别是使用混血监狱改革组织警察改革行动 (APR) 如何加入黑人生活运动的案例。通过提供种族转型和跨越战术界限的案例，我提出了两个核心论点。首先，有必要查看组织形式和组织动态，以了解激进主义者如何修改其组织以支持黑人运动。第二，