A secret group of retired experts hunt a methodical serial killer, in this compelling debut crime thriller set in London . . .
Widowed and in his sixties, Thomas Quinn has been invited to lunch by Lexington Smith, the leader of a covert team who call themselves The Twelve. When Thomas decides to join the group, he finds himself united with other retired specialistsโfrom a surgeon to a locksmith to a cabbieโin a quest to capture and assassinate a killer targeting homeless victims on Londonโs transport system.
Also on the team is Monica Lodhia, a retired chemistry professor with a tragic past to whom Quinn feels drawn. As the body count rises, Thomas, Monica, and the crew try to determine a pattern. But can they protect this vulnerable population by identifying a predator before he strikes again?