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> well, i think the most important thing is that the public needs to know what law enforcement is dogingwhat are these surveillance technologies law enforcement is using? and the public needs an opportunity to provide feedback. that certainly didn't happen in santa clara. >> do you have any evidence that law enforcement agencies are misusing or abusing these devices? >> we don't. we don't have that information because we haven't seen a lot of information come out about how the devices are being used. but we do know that these devices are used to capture multiple phones in an area and there's no limitation placed on whether those phones are out in public or not. so for example, if i have my phone in my house, the device is going to capture that location information even though the phone is in my house. >> so in light of that just real quickly, do you see a need for more safeguards to protect our civil liberties? what should that look like? >> i definitely see a need for more safeguards. the public needs to provide input on how the technology's being used. and law enforcement needs to comm