By Petra Blum, Svea Eckert,
Simon Hurtz and Berit Kruse
In a parallel world of alternative facts, the war crimes of Russian soldiers in Bucha are an invention, the Bundeswehr is researching biological weapons in the Ukraine, and the Paul Ehrlich Institute is covering up vaccination damage in children. Behind these lies is Russia Today, known in Germany as RT DE. The Russian state broadcaster not only spreads its propaganda in the most obscure corners of the internet, but also on the largest platform in the world: on Facebook.