Santa Clara police department to encrypt its radio communication system later this month

Palo Alto police push back against attempts to reverse radio encryption - Palo Alto Online

Anchorage Encryption RadioReference.com Forums

Chicago police joining national wave of encrypting radio communication, raising transparency concerns – Chicago Tribune

Who'll be Santa Clara County's new sheriff? Five candidates seek top job - Mountain View Voice

As More Police Radio Communications Become Encrypted, Senate Deputy Leader Gianaris Announces “Keep Police Radio Public Act” To Preserve Media, Public Access To Law Enforcement Radio Chatter

Sheriff's Department encrypts radio communications; critics say the move will reduce transparency - The San Diego Union-Tribune

Why don't the police encrypt their radio comms? - Quora

Does the LAPD want their radio back?

Stingray phone tracker - Wikipedia

County 9-1-1 Communications - County 9-1-1 Communications - County of Santa Clara