By: Maggie Clark, Stateline on April 22, 2013
…Since 9/11, law enforcement agencies have used federal grants to buy surveillance cameras for areas across the country plagued by crime or potentially targeted for terrorism. A surely outdated count from 2007 said downtown Boston was watched by a network of at least 147 police surveillance cameras.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. Not to mention every spectator with a camera phone.
Combing through video evidence is the new standard in dealing with crime in public, says Grant Fredericks, a forensic video analyst who teaches forensic video technique at the FBI National Academy in Quantico, Va.
“Video holds more evidence than any other source: more than DNA, crime-scene analysis or eyewitness testimony,” Fredericks said. “There are people sitting at home with key ...