Once upon a time, before satellite TV, the FCC had a rule that any radios approved by the FCC to receive radio broadcasts could AND were not permitted to scramble their transmissions.
law enforcement TV, radio, Etc. Then came satellite TV, where anyone with a 12-foot dish could pick up all kinds of TV for free—100s of channels. Then, the satellite TV companies figured out a way to make extra money, and they petitioned the FCC to let them encrypt their broadcasts, and so the age of encryption was born. They charge for commercial airtime and charge the public to watch their broadcast.
With public safety, they will say it's for officer safety, BULL. If you look at the real crime data, the court records very few, maybe 1 in 1 million, if that many have used a scanner or cell phone to commit a crime.
It's all about hiding. Look at Washington, DC A couple of years ago, the metro fire department got a hazmat call to 1600 Pennsylvania Ave. One of the FF's said the hazmat substance was cocaine over an open channel. So now any calls to the WH are over an encrypted channel. Please explain how that's for officer or even FF safety .