sentences:  Maurice did, however, spend some as a motor cycle patrol officer and was involved in one notorious local criminal case, that of the Halifax Slasher in the 1930s.For most of his life in Halifax, Maurice and his family lived at 20 Willowfield Road, in the Pye Nest area of Halifax and only a short distance from the King Cross police station.Experiencing police procedure at first hand provided the realism in Procter's work, that many reviewers praised.