A Stab in the Dark (Matthew Scudder, #4)

Louis Pinell, the recently apprehended "Icepick Prowler," freely admits to having slain seven young women nine years ago -- but be swears it was a copycat who killed Barbara Ettinger. — Matthew Scudder believes him. But the trail to Ettinger's true murderer is twisted, dark and dangerous...and even colder than the almost decade-old corpse the P.I. is determined to avenge.