article_snippet.sent: On trial: Dzhokhar Tsarnaev (seen in a sketch on March 5), who was arrested after stepping out of the boat in which he had been hiding on April 19, is on trial on federal charges relating to the bombing and the boat in which he had been hiding on April 19 aftermath .
article_snippet.sent: Dzhokhar Tsarnaev, who was arrested after stepping out of the boat under which Boston Mayor Martin Walsh had been hiding on April 19, is on trial on federal charges relating to the bombing and its aftermaththe bombing and its aftermaththe boat under which he had been hiding on April 19 .
article_snippet.sent: Some of federal charges relating to the bombing and its aftermath could carry the death penalty.
article_snippet.sent: Closing arguments for Dzhokhar Tsarnaev case are scheduled for Monday in US District Court.