Lawyers for Dzhokhar Tsarnaev rested their case Monday to save him from the death penalty, portraying him as an impressionable teenager who was lured by his radicalized older brother.

A former brother-in-law of Dzhokhar Tsarnaev testified Wednesday from Kazakhstan about the role of a conservative Muslim convert who steered Tsarnaev's older brother toward a stricter version of Islam.

Dzhokhar Tsarnaev's lawyers called a Russian historian and a psychiatrist to the stand Tuesday in a bid to save the Boston Marathon bomber from the death penalty.

Boston Marathon bomber Dzhokhar Tsarnaev dropped his blank, impassive demeanour and cried as his sobbing aunt briefly took the stand Monday in his federal death penalty trial.

Boston Mayor Martin J. Walsh has declared April 15 "One Boston Day," a new tradition in which Bostonians are encouraged to show kindness and generosity.

Some Canadians who witnessed the deadly Boston Marathon bombings two years ago expressed relief that the surviving attacker had been convicted.

A lawyer is characterizing the defendant as a frightened 19-year-old who couldn't remember details because he had smoked marijuana for at least 12 hours straight.

A sister of the Boston Marathon bombing suspects was led away in handcuffs Tuesday after a brief court appearance on allegations that she threatened to "put a bomb" on a perceived romantic rival.

Federal prosecutors are disputing arguments from lawyers for marathon bombing suspect Dzhokhar Tsarnaev that he cannot receive a fair trial in Boston.

A college friend of Boston Marathon bombing suspect Dzhokhar Tsarnaev has pleaded guilty to impeding the investigation into the deadly attack.