Openly Hidden (The Hidden #3)
Leigh Fleming

Special Agent Alex Ritchie is fed up with the bureau and his difficult new boss. When a dead body is found and a fourth female student goes missing, he worries about his little sister, who is a freshman on campus. Focusing on the investigation, he promises himself he’ll keep his sister safe.
Olivia and Alex join forces to delve into the bizarre happenings, digging into a crime that spans from the pristine campus out into the mountainous community. Someone is either abducting these coeds, or coercing them into a life of crime. Alex and Olivia are determined to learn the truth. Throughout the investigation, their attraction grows stronger, though each keeps their emotions Openly Hidden until the sick plot comes unraveled.