An Afghan migrant slit the the throat of a sleeping elderly German man, after the German had given him a job & shelter. The man’s daughter, a charity worker, had recommending hiring the refugee.

"Sending Afghans home is a complex issue,” the UN High Commissioner for Refugees has said, despite a series of attacks by Afghan nationals, like a stabbing in Chemnitz, a rape in a Berlin elementary school this September, and the rape and drowning of a teenage girl in Freiburg in 2016.

https://www.rt.com/news/444585-german-man-killed-refugee/