BOSTON - Homeland Security Secretary Janet Napolitano says the FBI wants to speak with individuals seen in at least one video from the Boston Marathon but says she isn't calling them suspects.
Without providing details of the men's appearance or what the video shows, Napolitano told the House Homeland Security Committee on Thursday that "there is some video that raised the question" of individuals the FBI would like to interview.
Napolitano said it's still unclear whether the bombs that exploded near the finish line of the Boston Marathon were the work of foreign or domestic terrorists. She said the investigation is continuing "apace."
Three people were killed and more than 170 others were injured when the bombs exploded Monday.
Nerves remain as Boston residents look ahead
Many of Boston's shops and outdoor cafes are beginning to re-open. But there are signs everywhere that a return to normalcy will take time for the thousands of people who live and work near the site of the marathon bombings.
A seven-block swath of Boylston Street was shuttered Wednesday as investigators in white jumpsuits scoured the area for clues. Scores of National Guard troops gathered among armored Humvees in the nearby Boston Common. And hand-written signs declaring "Boston will overcome" hung outside Newbury Street's high-end boutiques.
Several nearby businesses were allowed to open Wednesday as investigators began to narrow the restricted zone.
Pat Wynn, a 24-year-old bartender from Nantucket, said the scene is "almost like walking through a dream."