CNN The Situation Room April 29, 2013 21:44:00
Put their livesne. back to the boston bombing investigation shortly. other news we're following includes the fact that we're learning now about a large piece of a plane which has apparently bee two lower manhattan buildings since 9/11. mary snow is on the scene for us. mary w learning? >> reporter: wolf, as you can imagine, there's a state of here in lower manhattan. there are white trucks behind they are from the city's medical examiner's office. we're told the city's medicalffice will begin testing for human remains as early as tommeantime the police department has been working with boeing...