New video shows heavily armed officers moving in on the Watertown home where Boston bombing suspect suspect Dzhokar Tsarnaev was hiding.

A resident tipped off police after spotting blood on a boat docked behind this white house. By early evening, officers had surrounded the house.

Helicopters equipped with thermal imaging were able to confirm the 19-year-old was inside the stern of this boat.

Tsarnaev, who was taken alive, was shot in the throat and could not speak because of injuries to his tongue. Bleeding and in serious condition, he was admitted to a Boston hospital.

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