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.

Seven people sentenced to death in the Carolinas were among the more than three-dozen federal death row inmates to have their sentences commuted earlier this week. The group who are now incarcerated with life sentences includes a gang leader,