German prosecutors say a network of Telegram chat groups in Germany used coded language and videos to share techniques for drugging and raping mostly Chinese women.Courts have convicted three men and a fourth defendant is on trial in Berlin; Dapeng Z. was sentenced to 14 years for aggravated rape and attempted murder and has appealed, and Zhiting S. faces a verdict on charges that include advising on sedatives.Europol links the groups to similar networks across Europe and the United Kingdom through "
Project Medusa," prosecutors criticize
Telegram's enforcement, and investigators say they continue to seek additional victims and suspects.