I Hear the Sirens in the Street. Die Sirenen von Belfast, englische Ausgabe

Sean Duffy knows there's no such thing as a perfect crime. But a torso in a suitcase is pretty close. Still, one tiny clue is all it takes, and there it is. A tattoo. So Duffy, fully fit and back at work after the severe trauma of his last case, is ready to follow the trail of blood - however faint - that always connects a body to its killer.