KABUL, Afghanistan (AP) — Sometimes the calls come in the middle of the night. Other times it’s a text message sent to a mobile phone. But the warnings are always the same, threats of death for having worked with the German military in northern Afghanistan.

“I might be the next victim,” said a frightened 22-year-old Zamir Ahmadi, who interpreted for the German military for two years in northeastern Afghanistan until May 2013.