Mask market

"When a client who had hired him to find a missing woman is gunned down just minutes after their meeting, Burke launches an investigation to find Beryl Preston, a girl he had rescued from a brutal pimp some twenty years earlier and returned to her father."
"Burke, the relentless urban mercenary, returns in this riveting new thriller by bestselling author Andrew Vachss. Two decades ago, Burke "recovered" a teenage runaway from a pimp. Now she's on the run, again. After seeing the man who hired him to find her gunned down by a professional hunter-killer team, Burke realizes he could be next. The master urban survivalist knows he has to finish the job to learn the truth, only now he's looking for a predator, not a victim. The search will force Burke to walk down the one dark alley that has always terrified him -- his past. From the Paperback edition."@en
"The outlaw investigator Burke searches for a missing woman, the same woman he rescued years earlier from a pimp."@en
"When a client who had hired him to find a missing woman is gunned down just minutes after their meeting, Burke launches an investigation to find Beryl Preston, a girl he had rescued from a brutal pimp and returned to her father some twenty years earlier."