CNN Erin Burnett OutFront April 30, 2013 06:15:00
Doing. and, third, more security on the scene at large events. more searches, more metal detectors, more officers questioning and frisking anyone who might even look like trouble. mind you, aside from the legal restraints on such eaves drop ing, security experts warn making these measures work in a country of 300 million would be tough. think of the sheer volume of data to be processed. >> frankly, law enforcement doesn't want to capture all of that. most of us are not doing bad things. law enforcement wants to figure out who they need to focus on and who they can just let go. >> reporter: sti...