In 2023, a 15- and a 17-year-old plotted to attack a Christmas market in Leverkusen (North Rhine-Westphalia). In online chats, the two supporters of the "Islamic State" (IS), considered a terrorist organization by German domestic intelligence, plotted to kill as many people as possible by driving a truck into the crowd of revellers. Two days before the planned attack, the teenagers were arrested after police had become aware of their online chats. The minors were sentenced to four years in prison in 2024. Cases like this are increasingly worrying German security authorities. The Federal Criminal Police (BKA) has for years...