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Cities Security & Privacy

Investigators Will Crowdsource Clues to Boston Attack

Tracking down the perpetrators of Monday's Boston Marathon bombing will depend in part on determining the techniques they used, an aspect of the investigation that will rely heavily on evidence gathered from videos and photos of the crime scene. The New Yorker's Paige Williams spoke with former crime-scene analyst and Boston University School of Medicine instructor Adam B. Hall about the types of clues investigators will be looking for, and why. Forensic chemistry, explains Hall, lets investigators put together chemical evidence in crimes that involve drugs, arson, and explosives. To learn about the devices used in the Boston attack, Hall says investigators will be collecting every piece of evidence they can.   More