U.S. investigators have been unable to uncover evidence that WikiLeaks founder Julian Assange induced an Army private to leak government documents to his website, according to officials familiar with the matter.

New findings suggest Pfc. Bradley Manning, the intelligence analyst accused of handing over the data to the WikiLeaks website, initiated the theft himself, officials said. That contrasts with the initial portrait provided by Defense Department officials of a young man taken advantage of by Mr. Assange.

Further...