to discuss the case specifically still the parents seem to have a lot of opinions about the case itself. >> they do. they say they didn't discuss the case specifically. the issue of guilt or innocence did not come up but it largely didn't come up because they don't have doubts in that area. they don't believe it's a question. they believe both of their sons dzhokhar and tamerlan are the victims of a set up. they don't explain how but that's their belief. we know at a the russians were concerned about tamerlan tsarnaev and his mother before the boston attacks. they had concerns about how radicalized they had become in their muslim believes. the parents don't address that allegation specifically but the mother does talk with a great deal of pride about how religious she is and how religious her son was and their efforts to persuade dzhokhar to take his religion much more