Scholars and practitioners now recognise the importance of ‘governing through networks’ if policing agendas are to be promoted effectively and democratically. Central to such an agenda of networked governance is the identification or creation of community-based structures and processes that can be harnessed by, and linked to, other forms of governance in furtherance of security outcomes. However, notions of community have generally been limited to the ‘communities’ outside of police organisations. This article explores the idea of a police union as ‘a community of interest’. We suggest that police unions are ‘communities’ that have the potential to impact significantly on the governance of security. As ‘insider groupings’ police unions are ...