This fact sheet provides an overview of the US refugee admittance process and the current research on the threat posed to US national security by refugees.
The executive order titled “Protecting the Nation from Foreign Terrorist Entry into the United States” intended to ban entry of foreign nationals to the US in three different ways. It placed a temporary hold on entry of all kinds from seven countries previously identified by the Obama administration as “countries of concern,” placed an indefinite hold on entry of Syrian nationals, and placed a temporary hold on the entry of foreign nationals with refugee visas. This fact sheet focuses on the third group: refugees. It provides an overview of the US refugee admittance process and the current research on the threat posed to US national security by refugees.
Written byLindsay Heger, Danielle Jung, Wendy H. Wongon November 15, 2012
How does the way in which a group organizes change the lethality of the group's attacks? In this article, we argue that groups organized vertically as hierarchies are likely to conduct more lethal attacks.