Moving Target, Elite Guardians Series by Lynette Eason and published by Bethany House Publishers.
Detective Quinn is on a quest to find a serial killer. He asks former FBI agent Maddy McKay for assistance, since she has the extraordinary ability to get inside the head of these killers. When they both suddenly become the abductees, they must determine why they are the killers’ target of choice and what the next chess move will be before more innocent are killed. If they get through this, Maddy and Quinn just might have a future together...