Never Surrender - An Alex Mercer Thriller, #12

Alex Mercer thought his worst days were behind him. Instead, his life is falling apart from the seams. Again. While his marriage is on the brink of divorce, his daughter is once more the target of a potential abductor. Alex will do whatever it takes to keep her safe while working to get to the bottom of the infamous kidnapping ring once and for all. He believes one of his superiors in the police department to be involved with the criminal mastermind, and he will do anything to prove it.
But if his suspicions prove wrong, it will end his career. Alex must weed out friend from foe before his daughter disappears.  His focus is being pulled in so many directions, something is bound to fall through the cracks-and soon. If he can't keep both his family and job intact, he will lose everything. And this time, there will be no salvaging any of it.