So, you see, I have only one set of originals.

I had occasion to come back to my office quite late the day of the discovery, and, as I let myself in at that door," she pointed to the door leading into the corridor, "what I thought was a gust of wind slammed the door leading into the next room which I usually keep shut and bolted on this side.

My desk was open and the freshman examination papers undoubtedly had been tampered with.

I could tell because they are usually the last in the pile and they were all on top and quite disarranged.

Whoever had been here, had heard my key in the lock, and without waiting to close the desk had fled by the other door.