JFrame has not vanished. The two self-defense incidents I cited were very well covered in the media at the time, and that is where I obtained most of the information. I cited them because they are unusual; in the one instance the owner of the stolen truck shooting holes in it as it passed through a parking lot. In the other instance it made the news in no small part because the shooter was a preacher, and it sticks in my mind for another reason; the media reported the two miscreants were running outside when shot and the citizen was inside and shooting through a window, and that is difficult to picture - not impossible but a little remarkable in my mind. Good shooting if it really happened that way. Also, one fellow was hit in the knee and the other in the foot yet to the best of my recollection both hits were fatal, which is remarkable in my view. But apart from those aspects anyone reading the monthly NRA magazines can read of many self-defense situations, each a little different from the others yet all similar in that the good guy with a gun won. Google will show you these news stories but in my view they are not unusual except for the aspects I mentioned.
So far as what I have been told by LEOs, often when they are teaching classes, at least where I live the LEOs are fed up. Their advice is constructive if lacking in the liberal, touchy-feelie big city ideology. I have considered it wise and cogent advice that I hope I do not have to ever use. But if I do I hope I have the presence of mind to take the advice.