Frontiers of FearOn both sides of the Atlantic, restrictive immigration policies have been framed as security imperatives since the 1990s. This trend accelerated in the aftermath of 9 11 and subsequent terrorist attacks in Europe. In Frontiers of Fear, Ariane Chebel d'Appollonia raises two central questions with profound consequences for national security and immigration policy: First, does the securitization of immigration issues actually contribute to the