article_snippet: Dzhokhar Tsarnaev, 21, could be sentenced to death if he is convicted of charges that include carrying out the bombing and shooting dead a university police officer three days later as he and Tamerlan, 26, tried to flee Boston . '
article_snippet: Dzhokhar Tsarnaev, 21, could be sentenced to death if Dzhokhar Tsarnaev is .
article_snippet: life in prison without possibility of parole, rather than death.
highlights_snippet: Tsarnaev, 21, faces the possibility of the death penalty if convicted for the April 2013 attacks .
  