Boulevard — Stephen Jay Schwartz

Hayden Glass never had it easy. After losing his father at a young age, he fought hard for everything he got, haunted by a shame that he could never define or conquer. Now a Los Angeles Police Robbery and Homicide detective, Glass is still haunted by the scars that formed in his childhood and left a permanent void in his soul. He deals with it in a very defeating way . . . . he strolls Sunset Boulevard, picking up prostitutes. Hayden Glass is a sex addict.
Called to investigate a heinous crime scene involving the daughter of prominent LA politician, Glass is quickly overwhelmed by the spotlight. When new murders arise, Glass sees a link where no one else does--this is the work of a vicious, sadistic sexual predator. Forced to use the support rooms that keep him from acting out as an investigative tool, Glass finds himself alienated by everyone he needs: his ex-wife, his sponsor, even his fellow detectives. Glass must call on the services of ex-FBI profiler, turned private investigator Kennedy Reynard, who is as tempting as she is helpful. But the tide turns quickly when Glass discovers that his quarry has his sights set on an ultimate target---Glass himself.