May 1st, 2013
09:03 PM ET

Why facial recognition failed in Boston bombing case

Facial recognition is a staple of TV dramas and big screen movies. Input a suspect's image and within minutes... a match.

But when it came to identifying the suspects in the Boston bombings, it took manpower to identify the Tsarnaev brothers.

So why didn't the technology work?

CNN's Tom Foreman has the story.

Filed under: Boston Marathon Explosion • News • Tech
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