article_snippet.sent: Boston (CNN)After weeks of dramatic testimony, jurors are set to begin deliberations Tuesday in the trial of Dzhokhar Tsarnaev, who faces life in prison or  the death penalty for working with his brother to explode bombs at the 2013 Boston Marathon.
article_snippet.sent: Tsarnaev fidgeted at the defense table as Tsarnaev has done throughout the trial.
article_snippet.sent: If Tsarnaev is found guilty of at least one of the 17 capital counts, the trial will proceed to a second phase, the so-called penalty phase.
article_snippet.sent: That part of the trial will include evidence of aggravating and mitigating factors, and the jury will be asked to weigh elements that make this crime especially heinous against details from Tsarnaev's background and mental health history that would weigh in his favor.
article_snippet.sent: his was there," defense attorney Judy Clarke conceded as the trial opened, but the defense strategy always had been to focus on persuading the jury to spare Tsarnaev's life.
highlights_snippet.sent: Jurors are scheduled to begin deliberations Tuesday morning .
  
highlights_snippet.sent: If Tsarnaev is found guilty of at least one capital count, the trial will go to the penalty phase .
  