(Boston, MA)  --  Surviving Boston marathon bombing suspect Dzhokhar Tsarnaev is at a Boston federal courthouse awaiting arraignment.  He's scheduled to be in court this afternoon.  He was driven to the building in a plain white van, accompanied by a motorcade for his safety.  Tsarnaev is accused of carrying out the bombings which killed three and wounded hundreds in April.  His brother was killed in a shootout with police days later. 

Picture by: James Haynes / Splash News