article_snippet: FBI Special Agent Sarah DeLair--who arrived hours afterexplosions ripped through the race's crowded finished line in Boston April15,
article_snippet: FBI agent Sarah DeLair showed the court on Wednesday a piece of wire collected amid the wreckage on Boylston Street on April 15, 2013. 
article_snippet: It's the part of the bomb that would make it go off,' FBI agent Sarah DeLair said .
article_snippet: FBI agent Sarah DeLair showed  a piece of wire collected amid the wreckage on Boylston Street on April 15, 2013.
article_snippet: wire, FBI agent Sarah DeLair testified in U.S. District Court in Boston, was part of one of the bomb's detonators. '
article_snippet: It's the part of the bomb that would make it go off,' FBI agent Sarah DeLair said.
article_snippet: FBI agent Sarah DeLair took pictures of the . dead and coordinated efforts to recover 'everything from human . remains to bomb components to parts of backpacks,' FBI agent Sarah DeLair said on Wednesday.