Transcripts of chats obtained by German authorities indicate that the two men involved in attacks in the German cities of Ansbach and Würzburg had repeated contact with suspected members of Islamic State via telephone numbers registered in Saudi Arabia, among other places, Spiegel has learned. Würzburg perpetrator Riaz Khan Ahmadzai, who is believed to have originated from Afghanistan and seriously injured several people on a regional train with an axe and knife on July 18, also left a goodbye message before engaging in the attack. “We’ll see each other in paradise,” he wrote. …