"Melville Heights is one of the nicest neighborhoods in Bristol, England. It's the sort of place where doctors and lawyers and old-money academics live. It's not the sort of place where people get stabbed in the back thirty times with a kitchen knife in their own homes. Someone must have seen something. Newlywed Joey Mullen, for example, recently returned from four years working in Ibiza. She and her husband Alfie are eager to find a place of their...