CEP Senior Director Dr. Hans-Jakob Schindler interviewed: "The primary planning tool was online, chat fora. There were a couple of physical meetings where they tried to recruit members of the police and military forces, but all of the primary planning was done online. This means messenger services and social media, which really don't have the controls in place to hinder or in any way bother people planning these things. This is not the very first time that something similar like this has been discovered in Germany..."