CHICAGO (CBS) -- One group of radio trackers said they want to bring their concerns to Mayor Brandon Johnson and the Chicago City Council. The move to digital encryption was hotly contested for ...

CHICAGO (CBS) -- Did a recent switch from old-school analog to encrypted digital police radio channels make them harder to understand? The problem was highlighted during a shooting that wounded a ...

For more than 25 years, a technology used for critical data and voice radio communications around the world has been shrouded in secrecy to prevent anyone from closely scrutinizing its security ...