massachusetts senator elizabeth warren said she 's relieved dzhokhar tsarnaev has been found out the boston bombing - the greatest tragedy in her state 's recent history - but does n't believe he should be executed .
in an interview with cbs this morning on thursday , warren reacted to wednesday 's jury verdict which found the 21-year-old guilty on all 30 charges related to the boston marathon explosions which killed three and injured hundreds at the finish line .
` my heart goes out to the families here but i do n't support the death penalty .