Authorities confirmed the man in custody is 19-year-old Dzhokar Tsarnaev, who escaped an overnight shootout with police that left his older brother Tamerlan Tsarnaev -- the other man wanted in the bombings dead. Tsarnaev was cornered late Friday as he was hiding on a boat in a backyard of Watertown, a suburb of Boston. The police and special force and dozens of armored vehicles assembled at the scence. A robot was also used to search for the suspect. According to a police’s source, the terrorist of Russia’s Tresnia origin is likely to be in serious injury.