Why the lone wolf threat

TWO questions dominate the inquiry into the life and death of Khalid Masood: how was he radicalised so late in life, and how did he adopt the classic Islamic State tactic for attacking innocent c ivilians? He has been described as “a lone marauder terrorist”. His murderous acts were indeed carried out alone, but he may have had inspiration and support from others.

Islamic State has ruled by terror and coercion in its heartland in Syria and Iraq but at the same time promoted a campaign of terror abroad — princi-