Local alliances and rivalries shape near-repeat terror activity of al-Qaeda, ISIS, and insurgents
Local alliances and rivalries shape near-repeat terror activity of al-Qaeda, ISIS, and insurgents
Significance We examine near-repeat activity patterns of al-Qaeda, ISIS, and local insurgents, whereby a first terrorist attack temporarily increases the likelihood of a second one by the same group. We observe heightened near-repeat activity for all organizations in six geographic clusters and quantify the effect to persist within 20 km …