Research and policy circles often emphasize the importance of social capital in achieving social transformation and economic development. There is also, however, potentially a ‘dark side’ to social capital. This study investigates the relationship between two different types of social capital—structural and cognitive—using two different measures of political violence: self-reported support for political violence and self-reported participation in political violence. We theorized that cognitive social capital will facilitate social cohesion within a community, enabling particularized trust between neighbours and a shared identity. On the other hand, structural social capital, or associational membership, potentially facilitates the diffusion...