On Saturday, a Syrian suspected of terrorism was arrested in the Berlin district of Neukölln. The 22-year-old is now in custody. The charges: “Preparation of a serious act of violence endangering the state and the dissemination of propaganda material from unconstitutional and terrorist organizations.” How? Through social media. “There is hardly a terrorist attack in which social media does not play a significant role,” terrorism expert [CEP Senior Director] Dr. Hans Jakob Karl Schindler told Euronews.