 He provides this through investigating into what Powell was on to in her investigation and homes in on three possible suspects for The Ripper's murders.In order to transmit this information into Powell's brain directly, he enlists the help of Joey Falconetti, a hacker who specializes in interfacing directly with the human brain.Quinlan's investigation leads him to discover that all of The Ripper's victims and all of those associated with the investigation of The Ripper (except Quinlan himself) were involved with an old gaming group known as the Web Runners, who played a game based on the Jack the Ripper mystery.