STEVE INSKEEP, HOST:
It's MORNING EDITION, from NPR News. Good morning. I'm Steve Inskeep.
RENEE MONTAGNE, HOST:
And I'm Renee Montagne.
The world has heard some relatives of the Tsarnaev brothers.
INSKEEP: On this program, we heard an aunt of the young men defend the accused Boston Marathon bombers.
MONTAGNE: An uncle has very vocally denounced them.
INSKEEP: Now federal investigators have been interviewing the parents, both of whom now live in Russia.