Those Black Boxes Near Traffic Lights Aren't Cameras – Here's What They Really Do

Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how traffic lights react to the road.
CBS News

"Signal sniffer" to detect Nancy Guthrie's pacemaker deployed, law enforcement sources say

Emily Mae Czachor is a reporter and news editor at CBSNews.com. She typically covers breaking news, extreme weather and issues involving social justice. Emily Mae previously wrote for outlets like the ...
AOL

FBI Using High-Tech 'Signal Sniffer' in Nancy Guthrie Case to Detect Pacemaker — As the Search for NBC Host Savannah's Mom Enters Week Three

The FBI is deploying Bluetooth "signal sniffer" technology in a bid to detect the pacemaker of Savannah Guthrie's missing mother, Nancy, RadarOnline.com can reveal. According to Fox News, the Pima ...