With an uptick in crime around the neighborhood (and TriMet's months away from running "trains" on the light rail tracks they're ramming through), residents in Jennings Lodge, which is a little burg just southeast of Porkland, Oregon) have formed a new neighborhood association: the Glock Block. Signs posted around the 'hood note "We don't call 911". They've got firearms training and concealed-carry permits.
Ideally, the signs alone will deter most of the bad guys.
On the off chance that LEOs need to get involved, yesterday's SCOTUS ruling may be worth bearing in mind: introverts aren't necessarily compatible with the 5th Amendment.
But today, in Salinas v. Texas, the Supreme Court of the United States held that you do not assert your right to remain silent by remaining silent. If you want to remain silent, you’ll need to be prepared to talk about it.