How the FBI Found Their Suspects: Spotting the Cameras Behind the Boston Manhunt

Apr 18, 2013 at 5:46 PM ET

Using open source data from Google Streetview and videos and photos from the scene of Monday’s Boston Marathon attack, our analysts have mapped the locations of the security cameras which provided the footage vital to the FBI investigation.

The Feds have asked for the public’s help in identifying two suspects in the bombing. To see a full-sized version of our map, visit our Facebook page. To see images of the two suspects, visit the FBI site.