Although the proceedings were complex and required considerable resources, they led to a thorough investigation in many places. This includes groundbreaking decisions such as the first conviction of an IS returnee for genocide against the Yazidis (Section 6 of the International Criminal Code (VstGB)). Compared to other European countries, Germany has done a good job here, especially in international criminal law, according to extremism researcher Sofia Koller from the Counter Extremism Project in an interview with LTO.