article_snippet: Defense attorneys for Dzhokhar (right) focused on the receipts in order to paint Tamerlan as the mastermind of the plot .
article_snippet: Dzhokhar Tsarnaev's's lawyers showed the jury deciding accused Boston bomber Dzhokhar Tsarnaev's fate a photo of receipts Tamerlan had from a gun and ammunition store and for two backpacks and a soldering gun purchased in the days and weeks before the marathon bombings, apparently in an attempt to show that Tamerlan had a larger role in the bombings than Dzhokhar did. 
article_snippet: But the prosecution made a case for Dzhokhar's equal participation on Wednesday, as the prosecution tried to connect Dzhokhar to the death of MIT police officer Sean Collier.
article_snippet: While it wasn't determined in court on Wednesday which brother was wearing the glove, the chance that Dzhokhar was the shooter could damage the defense's claim that Dzhokhar was just following Dzhokhar older brother.
article_snippet: Tsarnaev's lawyer admitted during opening statements that Tsarnaev's lawyer participated in the bombings but said Tsarnaev's lawyer was the mastermind in hopes of convincing the jury to give his older brother a lower life-in-prison sentence as opposed to the death penalty.