New York truck attack is latest in deadly string of terrorists using vehicles

“It’s impossible to prevent all of these attacks,” according to Karin von Hippel, director general of London’s Royal United Services Institute, “especially when it’s on the amateur side of the coin.” The danger of this technique is that it can easily prompt copycat attacks. “People aren’t that creative, basically,” von Hippel went on to say. “They see what works elsewhere, what causes havoc elsewhere, and then they do the same thing.”