Moonlight Mile by Dennis Lehane

Patrick Kenzie, married with a young daughter, is a private investigator getting sick and tired of snooping into other people's lives, wonders why doing right seems wrong and when doing wrong seems right. When a late night phone call takes him back ten years to a missing persons case he finds himself questioning whether this life is worth it. Amanda McCready is missing again and her aunt is worried about her. To salve his conscience, he agrees to look for her, putting his family and himself in danger. Lehane writes a clever and fast-paced tale of mystery and intrigue. A really good read. Sandy Penton.