BOSTON ¨C Boston Marathon bomber Dzhokhar Tsarnaev was sentenced to death by a jury on Friday for helping carry out the 2013 attack, which killed three people and wounded 264 in the crowds at the race¡¯s finish line.
After deliberating for 15 hours, the federal jury chose death by lethal injection for Tsarnaev, 21, over its only other option: life in prison without possibility of release.
The jury had found Tsarnaev guilty last month of placing a pair of homemade pressure-cooker bombs on April 15, 2013, as well as fatally shooting a policeman. The bombing was one of the highest-profile attacks on U.S. soil since Sept. 11, 2001.

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