Richard Maher | The Conversation
Last week’s terrorist attack in London, which left four people dead, wounded dozens more and led to the temporary lockdown of Parliament, was a grim reminder of the daily threat Europe faces from extremist violence.
It also showed the challenges for intelligence and security services in confronting individuals who, like the 52-year-old attacker, British-born Khalid Masood, are intent on causing mayhem and destruction armed with low-tech weapons, such as sports utility vehicles and kitchen knives.
British authorities are still trying to understand how the attacker, who was not considered a serious terrorist threat by British security services, had become radicalised, whether he acted alone and if he received instructions from handlers in Britain or abroad.
This juncture raises broader questions about the nature and scope of Europe’s terrorist threat, and how best to respond to it.
Last week’s attack shared a...