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  2. Apr 22, 2013 · Crowd-sourcing, CCTV, thermal imaging cameras — all were used in the investigation that led to the death of one suspect, Tamerlan Tsarnaev, and the capture of his brother, Dzhokhar.

  3. Apr 22, 2013 · How infrared cameras helped end Boston manhunt One of the high-tech tools that helped police capture the suspect in the Boston Marathon bombing was an infrared camera that can see through...

  4. Apr 18, 2013 · A surely outdated count from 2007 said downtown Boston was watched by a network of at least 147 police surveillance cameras. On the marathon route, it’s likely that most businesses have surveillance cameras, along with every ATM and red-light traffic device with a license plate reader.

  5. Apr 29, 2013 · The Boston Marathon is a major event so lots of people at the finish line were taking video and photos. Some of these contained images of the bombing suspects. Once images of the bombing suspects were identified from a store surveillance video, facial-recognition software helped to locate those faces in other still and video frames and tracked ...

    • Tim Dees
  6. Mar 21, 2014 · The FBI scanned video recorded on dozens of surveillance cameras up and down Boylston Street after the bombing on April 15. "Almost 13,000 different videos were obtained, (and) more than...

  7. May 1, 2013 · 2:38 p.m. Cameras show two men – later identified by authorities as Tamerlan and Dzhokhar Tsarnaev – turning onto Boylston Street, the road where the marathons finish line is located.

  8. Mar 10, 2015 · They were taken from surveillance cameras along the route leading to the finish line of the Boston Marathon on April 15, 2013, the day three people were killed and more than 240 people were...

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