If you should set a thief to catch a thief, what does it take to stop a racketeer...? Detective Sergeant Fitzgerald found a package before his door that morning, along with the milk. He took it inside and opened it. It was a remarkably fine meerschaum pipe, such as the sergeant had longed irrationally to own for many years. There was no message with it, nor any card. He swore bitterly. On his way to Headquarters he stopped in at the orphanage where he usually left such gifts. On other occasions