Detective Chief Inspector Judas Iscariot of Scotland Yard’s secret Occult Division, the Black Museum, looked around his office for what he hoped would not be the last time, and locked the door. He gave the handle an extra little pull and listened for the special click that the lock made when it was properly shut and not just pretending. It obliged, so he put the old, well-worn brass key back in his pocket. He had left everything in order, and more importantly, secure.
No one else was permitted or authorised to venture up onto the 7th floor of the Yard, and access to it was only possible from the stairway at the back of the building, through two sets of heavy double-doors secured with locks that could only be opened with a special pass key for each.
So far this year, only one ghost had be
