Trigger Frank marr series, book 3.

Forced to retire from the D. C. police, newly minted P.I. Frank Marr is recovering from rock bottom when a friend asks for help - and now, he must revisit the dark, drug-fueled world he left behind. Ostracized by his family after a botched case that led to the death of his baby cousin, Jeffrey, Frank was on a collision course with catastrophe. Now clean and clinging hard to sobriety, he's barely eking out a living as a private investigator for...