So much for the Boston Police' public speculation that Dzhokar Tsarneav may have shot himself in the neck in a suicide attempt -- and their claim the gunfire battle occuring at the boat was two-way. Officials now say Dzhokar was unarmed when he was captured. No gun was found on or around the boat. Two U.S. officials say Dzhokhar Tsarnaev, the surviving suspect, was unarmed when police captured him hiding inside a boat in a neighborhood back yard. Authorities originally said they had exchanged gunfire with Dzhokhar for more than one hour Friday evening before they were able to subdue...