"Five serial killers … Known only to each other as: Alpha. Bravo. Charlie. Delta. Easy. Connected through a secure internet location, encrypted and concealed, a unique chat room they have named Jack’s Special Place in homage to their ultimate model—the one killer they hold in the highest esteem: Whitechapel, London. 1888. The infamous murderer remembered in dark history as Jack the Ripper. And so, they are Jack’s Boys. They delight in each...