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Boston Bomb Probe: Gathering Evidence

By Day 3 of their investigation, authorities scouring the bombing scene—on the ground and on rooftops—and viewing countless videos and photos of the Boston Marathon finish line were able to gather significant evidence. Here are images of some of what they found. The evidence photos were released by investigators. Meanwhile, friends and strangers remembered the victims.

Related: Day 1 Scenes From the Bombing

By CNBC.com
Posted 17 April 2013

Getty Images