chunk: After the visit to the shooting range, Reacher adds Cash's information to the case evidence. Helen and Rosemary sift through the clues in a riveting analysis and finally get Reacher to conclude that Barr is innocent, which means someone set up Barr as the sniper. Someone is also trying to get Reacher off the case, which formerly seemed a slam-dunk, but is now falling apart. Reacher is teamed with Helen, the young defense lawyer working against her D.A. father with a prosecution team that has an explosive secret of its own. Reacher gets closer to the unseen enemy pulling the strings, leading him to the real perpetrators, a Russian gang masquerading as legitimate businessmen. The gang's 80-year-old capo spent much of his life in one of the infamous Soviet gulags and is known only as the Zec (prisoner). Reacher outwits the mob guards in the Russian gang's fortress, efficiently and brutally dispatching five hoods before confronting the boss and forcing him to come clean on the conspiracy