<p><b>A woman¿s cryptic dying words in a Venetian hospice lead Guido Brunetti to uncover a threat to the entire region in Donna Leon¿s haunting twenty-ninth Brunetti novel.</b><br><br>When Dottoressa Donato calls the Questura to report that a dying patient at the hospice Fatebenefratelli wants to speak to the police, Commissario Guido Brunetti and his colleague, Claudia Griffoni, waste no time in responding.<br><br>¿They killed him. It was bad money. I told him no¿, Benedetta Toso gasps the words about her recently-deceased husband, Vittorio Fadalto. Even though he is not sure she can hear him Brunetti softly promises he and Griffoni will look into what initially appears to be a private family tragedy. They discover that Fadalto worked in the field collecting samples of contamination for a company that measures the cleanliness of Venice¿s water supply and that he had died in a mysterious motorcycle accident. Distracted briefly by Vice Questore Patta¿s obsession with youth crime in Veni