Tsarnaev was convicted of all 30 charges against him, including conspiracy and use of a weapon of mass destruction and the killing of Massachusetts Institute of Technology Police Officer Sean Collier during the getaway attempt. Prosecutors said the brothers carried out the attack to punish the U.S. for wars in Muslim countries.

President Biden announced Monday that he had commuted the sentences of 37 of the 40 current federal death row inmates to life in prison without the possibility of parole.

Biden's move to commute death row sentences was welcomed by Martin Luther King III, calling it a "meaningful and lasting action."

President Joe Biden has opted not to commute the death sentence for Dylann Roof, who murdered nine members of a historically black church during a Bible study, and two others.

President Joe Biden spared the lives of three people from SC when he converted 37 federal death row sentences to life in prison. He left Dylan Roof's sentence.

The White House announced 37 federal death row inmates would have their death sentences commuted to life without parole on Monday. Dylann Roof was not included

Dzhokhar Tsarnaev, Robert Bowers and Dylann Roof were the only three prisoners on federal death row whose sentences were not commuted Monday.

Three federal inmates with ties to South Carolina are among the dozens of people on death row whose lives will be spared after President Joe Biden commuted their sentences Monday. Biden announced that he would convert the sentences of 37 of the 40 people on federal death row to life in prison.