Expert: 'Offense against society'

CNN's Christiane Amanpour speaks with the former head of Counter-terrorism for MI6 about the attack in London.



via CNN.com - Top Stories http://edition.cnn.com/video/data/2.0/video/world/2013/05/22/exp-terrorism-expert-london-attack-amanpour.cnn.html?eref=edition