Dead Man Walking by David Green

Nick Holleran, private detective, thought he had life figured out. Until the day he died. Holleran woke to the horrifying truth. Hell is Earth, and the demons live among us. Taking the cases others won’t, Holleran is plunged into an investigation that forces him to confront his past.

Mr Hangman by Scott McGregor

A serial killer is on the loose. Again. Fifteen years after Mr Hangman last wreaked revenge on the perpetrators of Stampton, bodies have started to show up bearing the same modus operandi as before.