Slipaway Two News Today

Shots are fired. police are certain their man is inside henneberrys boat named the "slipaway two." hostage negotiators attempt to talk dzhokhar into sundering. >> we know youre bleeding. >> i believe they tried numerous flash bang grenades. they tried to gas him out of the boat. just wasnt work. >> a s.w.a.t. team approaches. he was sitting on the edge of the boat with one leg hanging over the side. >> they tell our anderson cooper about the tense standoff. >> you could see one hand was clear of...