Because the Bad Guys know where you live and that you have good stuff.
A few years ago I would have just raised an eyebrow at those who advocated carrying in your own home. This and other incidents tell me that it is past time to reconsider it.
Now there's your real pollution, Sheila, too blasted many people-per million are professional busybodies and dogooders who believe everything tastes better if they piddle in it! -- L. Neil Smith