“…Their results indicated that high levels of ethnic and language heterogeneity, residential instability, and urbanization are related to higher levels of terrorism, whereas county‐level concentrated disadvantage is negatively related to terrorism activity. They suggested that counterterrorism policies implement law‐enforcement–based strategies that encompass elements from community‐based policing (LaFree and Bersani, ; Pelfrey, ) and tactics from problem‐oriented policing (Wormeli, ).…”