Smaller terrorist groups are tougher to stop, but they also tend to cause less damage.
Solo-working experts and secrecy are a recipe for disaster, experts warn, when it comes to hunting terrorists.
Before and after satellite maps show Boko Haram's horrific campaign of terror.
Hundreds of thousands of people joined by world leaders flooded Paris on Sunday in a historic show of defiance and solidarity against terrorism following this week's Islamist attacks in the French capital.
Genes primarily affecting males, as well as family environment help explain why so many terrorists and killers are men, including brothers.
The targeted satirical newspaper gained notoriety in February 2006 when it reprinted cartoons of the Prophet Mohammed.
The company said it had no choice but to cancel the movie's Christmas release and pull it from theaters due to a credible threat.
Guardians of Peace hackers warned the Hollywood studio not to release a film that has angered North Korea.
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