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A second friend and former college classmate of suspected Marathon Day bomber Dzhokhar Tsarnaev now awaits sentencing for obstructing the FBI's investigation in its first few days.
Former UMass Dartmouth student Dias Kadyrbayev has pleaded guilty to obstruction of justice one month after his roommate was convicted of the same charges.
WBUR's David Boeri joins Morning Edition to discuss the Kadyrbayev's guilty plea.
This segment aired on August 22, 2014.