SUSPECT, by Michael Robotham

1/series. Psychologist Joe O'Loughlin is at the top of his game: at 42, he's got a solid professional practice, the respect of his peers, a beautiful wife and a lovely daughter, a good house in one of London's better areas. And then he gets a diagnosis of Parkinson's disease. click here for more...
Enter Detective Inspector Vincent Ruiz, silent, powerful, relentless. He asks Joe to assist in identifying the body of a recently-discovered prostitute. But Joe recognizes the woman, a former colleague and client. How had she come from Liverpool to London? Why? Who kept her long enough to force her to torture herself? The diabolical mind behind the plot will keep you mesmerized to the very last page; I finished it at 2AM. You may, too. A dramatic, fabulous debut novel, one of the most skillful I've read in a very long time. It's a 5.