Vulnerability and vigilance: threat awareness and perceived adversary intent moderate the impact of mortality salience on intergroup violence.
Hirschberger G, Pyszczynski T, Ein-Dor T. Vulnerability and vigilance: threat awareness and perceived adversary intent moderate the impact of mortality salience on intergroup violence. Pers Soc Psychol Bull. 2009 May; 35(5):597-607.