Earnest says the U.S. is aware that a German citizen was arrested amid allegations he was purportedly working for the U.S. He says he can't comment because Germany is still investigating and the issue relates directly to U.S. intelligence matters.

Werner Eikenbusch, BMW’s head of workforce development for the Americas, left high school in the 10th grade for an apprenticeship program that combined on-the-job training with vocational school. He eventually returned to school to become an engineer, and at BMW’s…