Eight Million Ways to Die (Matthew Scudder, #5)

Kim was a young hooker who wanted out, seeking Matthew Scudder's protection. She didn't deserve to live the way she did, or die the way she did: slashed to ribbons in the seedy waterfront district. Now the tormented ex-cop-turned -P.I. wants to find her killer. But his investigation into Kim's shady past reveals lethal secrets even dirtier than her clients. And there's more than young flesh for sale, because now Scudder's life is on the market...