The Devil's Cut. The Penumbra Papers, #3

The Devil's in the details.What do two werewolf teens missing in the New Mexico desert, a stolen pouch of Native American fetishes, and a drug lord calling himself El Diablo have in common? Undercover FBI Agent Caleb Jones would sure like to find out. The trail leads to Denver where CSI Adele McCoy is investigating the cases of two diabolically murdered men and the pouch of Native American fetishes discovered at one of the crime scenes.
She doesn't believe in magic, but the whole situation gives her a creepy supernatural vibe she can't deny. And the Devil always gets his cut.When their cases collide, Caleb and Adele are soon running for their lives-and fighting an attraction that threatens to combust. Hot on their trail is Caleb's best friend, Special Agent Sade Marquis. She's bound and determined to find the wayward werewolf. Death is a dialogue, love hurts, and you don't know the measure of a man-or a woman-until it's time to pay the Devil his due.
In this Case from the Shadow's Edge, it might just be a werewolf and the woman he loves who pay the price.