Murat Kadyrbayev, left, the father of Dias Kadyrbayev, 21, stands outside Federal court with his interpreter, Alexander Tetradze, Tuesday, June 2, 2015, answering reporter's questions about the sentencing of his son, a college friend of Boston Marathon bomber Dzhokhar Tsarnaev, sentenced Tuesday to six years in prison after he apologized to the victims and their families for not calling police when he recognized photos of Tsarnaev as a suspect Tuesday, June 2, 2015, in Boston. Kadyrbayev, 21, pleaded guilty last year to obstruction of justice and conspiracy charges for removing items from Tsarnaev's dorm room after recognizing his friend in photos released by the FBI. (AP Photo/Stephan Savoia)
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