When the body of the first victim is discovered, the bite mark on her neck prompts the media to name the killer "The Rottweiler". But as the death toll rises, it becomes clear that the bite mark was incidental. For, what distinguishes this killer is not bite marks but rather his taking a small trinket from each of his victims as a macabre souvenir. Focusing their investigation near Lisson Grove, the ethnically diverse London neighborhood where all...