Citing interviews with “a retired senior intelligence official who was knowledgeable about the initial intelligence about bin Laden’s presence in Abbottabad” and American sources who “had access to corroborating information,” Hersh writes that the American government did not act alone in locating and killing Bin Laden, as it has consistently claimed. On the contrary, Hersh’s sources say that senior generals of Pakistan’s army and Inter-Services Intelligence agency (ISI)—Pakistan’s equivalent of the CIA—knew as early as 2006 that Bin Laden was in Abbottabad, and cooperated with the U.S. in the assassination. Specifically, the story says that top Pakistani Army Gen. Ashfaq...