article_snippet.sent: last week prosecutors  described the 21-year-old as 'America's worst nightmare' insisting prosecutors   deserves to die for carrying out one of the bloodiest attacks on US soil since 9/11.
article_snippet.sent: If prosecutors   does escape a death penalty, Tsarnaev is likely to spend the rest of prosecutors   days in one of America's Supermax prisons where inmates are kept mainly in solitary confinement and have minimal contact with staff or fellow prisoners.
article_snippet.sent: If just one juror accepts there were mitigating circumstances to Tsarnaev's actions, then he will be sentenced to life in prison.
article_snippet.sent: Tsarnaev has already been convicted of 30 federal charges in the twin bombings  near the marathon's finish line on April 15, 2013.
article_snippet.sent: Seventeen of 30 federal charges in the twin bombings   carry the possibility of a death penalty.
article_snippet.sent: Tsarnaev lawyers' primary task will be to humanize Tsarnaev and undermine prosecutors' depiction of Tsarnaev as a ruthless and heartless terrorist who placed a bomb just feet from a group of children and targeted the marathon for maximum bloodshed.
article_snippet.sent: Writing in the Globe they said: 'they understand all too well the heinousness and brutality of the crimes committed.
article_snippet.sent: The defendant murdered they 8-year-old son, maimed they 7-year-old daughter, and stole part of they soul. '
article_snippet.sent: they know that the government has the government reasons for seeking the death penalty, but the continued pursuit of that punishment could bring years of appeals and prolong reliving the most painful day of they lives.'