You are basically correct, except Maura usually doesn't prosecute individuals. ADAs do that and some little twerp ADA can indeed make your life miserable (and expensive) by chargng you with a non-crime. I've seen it happen to a guy and the ADA was a tenacious bulldog A-hole.
I use soft cases as hard cases take up too much room in the trunk and I'm usually transporting a fair number of guns if I'm teaching or going to the range.
I have a bunch of hard cases which I will eventually list for sale, since I never expect to use them again.
He's still teaching chiefs/LOs and publishing his book twice a year. He's now teaching a number of topics that aren't firearms related. He still has me on his advertising eLists . . . I need to ask him to drop me off of them as I have no need for them and my former department likely has an officer on the same eLists.
And you'll find that all your 9V batteries are safely locked up in the house you can't access!