Dias Kadyrbayev

Unsealed case files show that Dias Kadyrbayev had offered to testify that Dzhokhar Tsarnaev knew his older brother, Tamerlan, was involved in murders in Waltham.

A college friend of Boston Marathon bomber Dzhokhar Tsarnaev has been sentenced to six years in prison for impeding the investigation into the 2013 attacks.

A college friend of Boston Marathon bombing suspect Dzhokhar Tsarnaev has pleaded guilty to impeding the investigation into the deadly attack. Twenty-year-old Dias Kadyrbayev is accused of removing a backpack containing emptied-out fireworks from Tsarnaev's dorm room after realizing he was suspected of carrying out the 2013 attack with his brother, Tamerlan...

A friend of Boston Marathon bombing suspect Dzhokhar Tsarnaev is expected to plead guilty to impeding the investigation into the deadly attack. Dias Kadyrbayev is charged with obstruction of justice and conspiracy for allegedly removing a backpack containing fireworks from Tsarnaev's dorm room at UMass Dartmouth after realizing he was suspected of carrying out the deadly 2013 attack...