1. From trait-based profiling to psychological contributions to apprehension methods;L.Alison;The forensic psychologist’s casebook: Psychological profiling and criminal investigation,2005
2. Amaral, R. (2013). Copycat crimes: Why do they happen? Psychology for Growth. Retrieved from http://psychologyforgrowth.com/2013/07/04/copycat-crimes-why-do-they-happen/
3. Temperature and aggression: Effects on quarterly, yearly, and city rates of violent and nonviolent crime.
4. Preventing, Preparing for and Responding to School Violence with the Prepare Model;S. E.Brock;Handbook of School Violence and School Safety: International Research and Practice,2012
5. A Comparative Analysis of Threat and Risk Assessment Measures