Four years ago, Simon Neumeyer enrolled in the Saxony State Police Academy in the eastern German city of Leipzig as a 19-year-old cadet.
"At the time, I naively thought the police were 100% committed to law and order," he remembers.
His naiveté began to wear off on the academy's target-shooting grounds while he and his fellow cadets, guns in hand, listened to a lecture from their commander.
"He told us we have to shoot well, because there are many refugees coming to Germany," Neumeyer recalls. "I thought to myself: 'Wow. This is very racist.'