Testimony Ends In Trial Of Boston Marathon Bomb Suspect's Friend

(Boston, MA) -- Closing arguments are expected today in the Boston Marathon bombing obstruction trial. Twenty-year-old Azamat Tazhayakov is accused of removing evidence from the college dorm room of bombing suspect Dzhokhar Tsarnaev three days after the bombings at the finish line of last year's race. Three people were killed and more than 250 injured.