The present paper focuses on immigration as a possible trajectory for political radicalism and the use of political violence and terror. Each of these issues has been well researched. However, studies on the combination of both, especially from a psychological point of view, are scarce and much more knowledge is needed. The present paper try to combine knowledge based on studies focusing on immigration with studies focusing on the psychological root causes of political violence and terror, and suggests a model of immigration as a possible trajectory for political radicalism and the use of political violence.