'Lone Wolf' Terrorism: US, Europe Adopt New Security Tactics To Counteract Homegrown Threats

Said and Cherif Kouachi's fatal shooting of 12 people in Paris last week cast an international spotlight on the global intelligence community's ongoing struggle to identify and eliminate "lone wolf' terrorism. The Charlie Hebdo magazine massacre, along with a recent rash of other attacks, have made it clear that mass casualty events are no longer perpetrated solely by traditional militant groups.