" Fewer than one in five perpetrators was a convert to Islam, with a significantly higher percentage in North America than in Europe. However, the converts were significantly more likely to have a criminal background and to have served time in prison. Overall, most of the attackers had a prior criminal background." "Who was behind the jihadist attacks in Western Europe and North America?"
“The West won the world not by the superiority of its ideas or values or religion (to which few members of other civilizations were converted) but rather by its superiority in applying organized violence. Westerners often forget this fact; non-Westerners never do.” —Samuel P. Huntington, The Clash of Civilisation and the Remaking of the World Order, 1996, p. 51