Thank you for providing the document above. I used the information contained in that document to do a Google search on FBI CJIS and when I got to that document I read sections 4.3 titled Personally Identifiable Information also known as PII. I read section 5.10 titled "System and Communications Protection and Information Integrity. It spoke about information systems and software as it applies to computers. It referenced section 5.13 which is titled "Policy of Mobile Devices". It talks about smartphones and tablets. Section 5.13.1 is titled Wireless Communications Technologies which talks about cellphones Bluetooth, satellite, microwave and land mobile radio. Land mobile radio is never mentioned again in the entire section.
I did not look into California Department of Justice documentation, primarily because I am not a California resident. Bottom line here, any agency using the FBI document as justification to encrypt police radio traffic is stating a lie. The document DOES NOT require law enforcement agencies to encrypt. As a matter of fact section 5.13.1.2.2 titled voice transmissions over cellular devices says " any cellular device used to transmit Criminal Justice Information via voice is exempt from encryption and authentication requirements". So using common sense if cellphones are exempt and land mobile radio just like cellphones is voice transmitted via radio wouldn't it stand to reason that this section exempts them to?
DO NOT let agencies get away with this. Again, maybe the CA Department of Justice has a section that speaks specifically to two way radio communication banning the broadcasting of wants and warrants or motor vehicle registration information however, if their document is only referencing the FBI CJIS document, then the FBI CJIS document DOES NOT require police radio encryption!