Tsarnaev's mother: 'My son is not guilty'

Zubeidat Tsarnaeva, the mother of the suspected Boston bombers, brothers Tamerlan and Dzhokhar Tsarnaev, gestures as she attends a news conference in Makhachkala on April 25, 2013.
Zubeidat Tsarnaeva, the mother of the suspected Boston bombers, brothers Tamerlan and Dzhokhar Tsarnaev, gestures as she attends a news conference in Makhachkala on April 25, 2013.

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    Tsarnaev's mother: 'My son is not guilty'

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Dzhokhar Tsaranev's mother says her son was telling the truth when he entered his not guilty plea.