ShotSpotter microphones are controversial surveillance devices designed to alert authorities to gunshots. But their exact locations have been kept secret from both the public and the police ...

The Nest Guard contained a microphone, but Google did not disclose that in the product's specifications Google has acknowledged that it made an error in not ...

I n San Francisco’s Mission district, good music is all around you. That’s why, high up on a street pole at an undisclosed location in the Mission, Riley Walz installed a solar-powered box ...

A new study has found one in 10 holiday rental owners have installed hidden cameras or microphones in their ... The study also found that such surveillance is enough to deter over three-quarters ...