hans goldenbaum, works for salam, a local german organisation aimed at preventing violence and radicalisation aware of the suspect our first thought was that we are dealing with an attack attributed to the islamic state which was agitating in the last month for followers to attack especially christmas events and christmas markets. 0ne wing of the islamic state network was very active in calling for explicit violence to spread fear in the heart of the enemy, so this was the first thought. but soon we got some information about the perpetrator and as soon as we heard it as a saudi arabian male 50 years old, we realised we already knew him as a right—wing online activist. was very much part of a global filter bubble of far right extremism, dealing with anti—migrant content as your colleague mentioned. so we were following this lead and analysing his online profiles on social media accounts, and with german media speaking with journalists and politicians and the giving analysis for the background and motivation of the perpetrator. while we were doing this another thing reached out so some of our