article_snippet.sent: Dzhokhar Tsarnaev, 21, was convicted last week of planting .
article_snippet.sent: The same jury that convicted Dzhokhar Tsarnaev will hear testimony on . whether convicted Tsarnaev should be sentenced to death or life in prison for .
article_snippet.sent: Tsarnaev also was found guilty of the fatal shooting of Massachusetts of Institute of Technology police officer Sean Collier, 26.
highlights_snippet.sent: Dzhokhar Tsarnaev faces either life in prison or the death penalty .