Night Shadow pdf by Nora Roberts
IN A CITY RULED BY FEAR...
...a solitary figure shrouded in black walked the night, determined to awaken a terrified metropolis from the nightmare of crime. There was nothing -- no bullets, and certainly not legal technicalities -- that could deter the man they called Nemesis from his mission.
Deborah O'Roarke, an idealistic young prosecutor waging her own war against crime, owed Nemesis her very life. She shared his passion for justice, yet she could not accept his lawless methods. Still, though she fought her unwelcome desire for this disturbing stranger, she was unable to deny her longing to share the shadows that were his home....