Gunman Ali David Sonboly, 18, opened fire at a McDonalds in Munich, Germany, killing nine people and injuring 27 others. Reportedly used Facebook to social engineer victims, bought a gun on the “dark net” and played the “violent” video game Counter-Strike. He was obsessed with mass killers and was inspired by Norwegian killer Anders Behring Breivik. Gunman allegedly targeted Turkish and Arab teenagers via the hijacked Facebook account because those group had picked on him in school.”]