no it doesnt. this data is public all over the place. most notably https://www.flightaware.com/

Cool. And yours is simpler and doesn't require looking up what the identifiers are for LAPD in particular. Just own it.

I found the list of identifiers with a single google search. For any criminal who cares, it is a tiny amount of additional effort.

Why? Helicopters already are on ADS-B.