I don’t think this is the behavior of an amateur as much as someone who is begging to be caught. Everything about his behavior suggests he was tired of struggling with his demons and decided to give in to them and leave a highly visible trail for police to follow afterward.
“I don’t think this is the behavior of an amateur as much as someone who is begging to be caught”
Makes sense. He was already inside the Schengen zone. He could have run to basically anywhere in europe without passport control. Yet he chose to read about himself at an internet cafe in Berlin? That is somebody who wants to get caught.