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 Joe Biden is commuting the sentences of 37 people on death row, which means those individuals will have their sentences changed from execution to life without parole, the White House said in a press release on Monday.