Scent of Death by Laura Scott

Search and rescue and love…
Hunted by a serial killer…
After Alexis Sullivan and Denali. her cadaver K9 find the body of a dead woman in the mountains, she soon realizes she’s become the killer’s next target. And when she finds a second body, just two hundred yards away, she’s horrified to realize they’re dealing with a serial killer.
FBI Agent Griffin Flannery has already been investigating missing teenagers from across the state and rushes to join Alexis in the Bighorn mountains. Two of the three missing women are there, but he knows full well there could be others. Time is running out. He needs to find the third missing woman, fast. And when the killer turns his sights on Alexis, Griff knows he’ll risk his own life to save her.