Harry Dolan 
Very Bad Men 

Anthony Lark has a list of names:
Terry Dawtrey
Sutton Bell
Henry Kormoran
He is hunting them down, and he won’t stop until every one of them is dead.
But this is a killer with a conscience and crime editor David Loogan is about to find out that his latest manuscript is no work of fiction but a serial killer’s confession of what he’s done – or is about to do – to some very bad men…