They're also charged with conspiracy to obstruct justice
(Boston, MA) -- Two friends of alleged Boston Marathon bomber Dzhokhar Tsarnaev are now facing charges of obstruction of justice. They're also charged with conspiracy to obstruct justice. The two students from Kazakhstan allegedly helped Tsarnaev and his brother, Tamerlan, hide evidence in the bombing. Tamerlan died in a shootout with police days after the April attack that killed three people.