Peter Kirby was born in Ireland and grew up in the hardscrabble neighbourhood of Brixton in South London. He came to Canada as a cook, went to university at night, and eventually became a lawyer. He now practises international law in one of Canada's largest law firms and has been recognized by The American Lawyer as one of Canada's leading 500 lawyers. His previous books are The Dead of Winter (2012) and Vigilante Season (2013).