article_snippet: Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev Boston Marathon bomber Dzkokhar Tsarnaev rested Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev case in Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev federal death penalty trial Tuesday after presenting a brief case aimed at showing Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev was the mastermind of the 2013 terror attack.
article_snippet: The defense admitted during opening statements that Boston Marathon bomber Dzkokhar Tsarnaev participated in the bombings, but Tsarnaev's lawyer said Tsarnaev's lawyer was a troubled 19-year-old who had fallen under the influence of Tsarnaev's lawyer radicalized brother, Tamerlan, 26.
article_snippet: In this March 5, 2015 file courtroom sketch, Dzhokhar Tsarnaev, center, is depicted between defense attorneys Miriam Conrad, left, and Judy Clarke, right .
article_snippet: The defense has made it clear from the beginning of his federal death penalty trial that The defense strategy is not to win an acquittal for Boston Marathon bomber Dzkokhar Tsarnaev but to save him from the death penalty.
article_snippet: During The defense brief case, The defense called a cell site analyst who showed that Boston Marathon bomber Dzkokhar Tsarnaev was at the University of Massachusetts-Dartmouth when Tamerlan purchased components of the two bombs used in the 2013 attack, including pressure cookers and BBs.
article_snippet: a cell site analyst who showed that Tsarnaev was at the University of Massachusetts-Dartmouth when Tamerlan purchased components of the two bombs used in the 2013 attack, including pressure cookers and BBs also called Mark Spencer, a digital forensics expert, who testified about Tamerlan’s computer history and his fascination with jihadist literature and learning how to construct bombs.
article_snippet: Boston Marathon bomber Dzkokhar Tsarnaev's lawyer told jurors that it was Tamerlan who shot and killed MIT police Officer Sean Collier three days after the bombings.
article_snippet: Tamerlan died after a gun battle with police hours after Sean Collier's slaying.
article_snippet: This undated file photo provided by the Federal Bureau of Investigation shows Dzhokhar Tsarnaev, charged in the Boston Marathon bombing .
highlights_snippet: Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev rested Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev case today after calling just four witnesses .
  
highlights_snippet: The defense team has admitted that Boston Marathon bomber Dzkokhar Tsarnaev participated in the bombings, but are trying to save him from the death penalty .
  
highlights_snippet: Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev called a cell site analyst to prove Boston Marathon bomber Dzkokhar Tsarnaev was not with Boston Marathon bomber Dzkokhar Tsarnaev brother when Boston Marathon bomber Dzkokhar Tsarnaev purchased the materials to make the bombs .
  
highlights_snippet: Also called to the stand was a digital forensics expert who testified about Tamerlan's computer history, which included pages on how to make bombs .
  
highlights_snippet: The defense claims Boston Marathon bomber Dzkokhar Tsarnaev was troubled and had fallen under the influence of Boston Marathon bomber Dzkokhar Tsarnaev brother, Tamerlan .
  