When an eerie high-frequency pitch is the calling card of a methodical killer, FBI Agent Faith Bold and her canine companion are thrust into a deadly game of si

When artisans are found dead by the tools of their trade, FBI Agent Faith Bold must hunt for an elusive killer. Can she and her loyal dog uncover the truth? Or

FBI Special Agent Faith Bold, hospitalized and haunted by her encounter with a serial killer, is ready to retire—when Turk, a K9 German Shepherd, himself trau

When victims turn up poisoned, FBI Agent Faith Bold and her canine Turk must decode a trail of deceit—and not walk right into a trap themselves… “A master

When the world of unethical dog-breeding turns deadly, the case becomes personal for FBI Agent Faith Bold and her loyal canine. Together, they must track down a