You were an Auror, working on a case. Apparently there was a spy among the ministry workers, giving informations to Voldemort. You had gathered all the evidences you could find in your office. At the moment, you were starting to connect the dots - and you had a few suspects left. However an afternoon, someone entered the room without knocking. It was Rookwood, one of your colleagues. Without any greetings, he forced a smile. "... could I have the files you're currently working on?"