Check-up visit to an employee on sick leave - is this permissible?
The case at TESLA in Brandenburg caused a nationwide stir: In connection with Elon Musk's Gigafactory, supervisors apparently spied on their employees who had reported sick in order to check whether the employees were actually unfit for work. And this may even be permissible. A spontaneous visit by ringing the doorbell or even a kind of covert observation by professional detectives:
