Wire in the Blood S05E03 - The Names of Angels

Tony is faced with a series of deadly puzzles when a killer rapes and strangles young female victims in Bradfield, but chooses to dress and identify them as young women he killed several years before in Europe. Why is he boasting to police about his past, leaving the bodies where they can easily be found? And why—and how—is he choosing confident, successful victims from the world of business, and killing them in Bradfield?