http://www.slate.com/articles/news_and_politics/foreigners/2015/01/europe_s_confused_debate_about_islam_and_terrorism_europeans_are_both_too.html

Wednesday morning, two assailants armed with Kalashnikovs forced their way into the editorial offices of Charlie Hebdo, a French satirical magazine, and murdered 12 people—many of them writers, editors, and cartoonists. It was as pure an attack on freedom of speech as can be imagined. Though the identity of the terrorists is as yet unknown, they likely meant to exact vengeance for the fact that Charlie Hebdo had published a caricature of the Prophet Mohammed in 2011.