In the 'the water street butcher' true story, the nature of the butcher's business could be a key element. Was it a normal, legitimate butchery, or were there some shady aspects to it? If there were rumors of him dealing in black - market meat or something similar, that would be an important part of the story. Also, any witnesses or people who were involved in uncovering whatever secrets or events were associated with the butcher. Their accounts and actions would be crucial in shaping the true story as it was passed down over time.
I'm not sure specifically which 'the water street butcher' true story you're referring to. There could be various local or less - known tales with this name. It might be a story about a real - life butcher who worked on Water Street and perhaps got involved in some sort of mystery, crime, or had an interesting life that made it into a local legend.
Well, it's hard to say for sure. Street stories often blend elements of truth and imagination. Sometimes they're inspired by real incidents but transformed for dramatic effect.