A search of the computers used by Pfc. Manning yielded evidence he had downloaded the Afghanistan war logs, which span from 2004 until 2009, the official said. It’s not clear precisely what that evidence is…

Defense officials are also combing through Pfc. Manning’s computers in a bid to figure out what other material he may have stolen as they try to anticipate what other material WikiLeaks may have…

Almost immediately after the release of the documents, investigators began focusing on Pfc. Manning, who had suggested to a former hacker he had obtained access to a similar cache of war logs from Iraq.