"State and local governments should consider banning police unionization, or at least curbing unions' powers by, for example, eliminating disciplinary issues from the list of matters that are subject to collective bargaining. Whatever the merits of public-sector unions in other contexts, they create too much of a conflict of of interest in the case of employees who often literally wield the power of life and death over civilians."
[0] https://reason.com/2020/05/31/how-to-curb-police-abuses-and-...