article_snippet: Dzhokhar Tsarnaev told police Dzhokhar Tsarnaev and
article_snippet: Dzhokhar Tsarnaev brother built their bombs, but court documents show some people involved in the case had some people involved in the case doubts.
article_snippet: These relatively sophisticated devices would have been difficult for the Tsarnaevs to fabricate successfully without training or assistance from others," prosecutors wrote in a filing opposing a move by Dzhokhar Tsarnaev's lawyer to throw out statements
article_snippet: Tsarnaev's lawyer made in the hospital.
article_snippet: These had a very, very short delay," Tsarnaev's lawyer said.
article_snippet: Dzhokhar Tsarnaev told FBI agents Dzhokhar Tsarnaev and Dzhokhar Tsarnaev brother built the bombs following instructions from al Qaeda's Inspire magazine.
article_snippet: Investigators have focused on Dzhokhar Tsarnaev suspected ties to militants.
article_snippet: In 2012 Dzhokhar Tsarnaev Dzhokhar Tsarnaev spent six months in Russia.
article_snippet: Authorities have questioned how much exposure Dzhokhar Tsarnaev may have had to radicals and whether Dzhokhar Tsarnaev could have received training there.
article_snippet: The trial underway in Boston will center on not whether Dzhokhar Tsarnaev did The trial underway in Boston, but why Dzhokhar Tsarnaev did The trial underway in Boston.