"They don't fear me, quite the opposite. It makes it twice as fun... I know the next time will be soon, I've learnt to recognise the signs. I think I even know who it will be. She's oblivious of course, just as she should be. All the time, I watch and wait and she has no idea, none at all. And why would she? I'm disguised as myself, the very best disguise there is." A known prostitute is found stabbed to death in a shabby corner of Abbeyford. Detective...