Dwingling is the process of influx of career criminals who move into a region or locale where they have been guaranteed a supply of helpless victims due to legislative action and the departure of those unwilling to be victims even if it is mandated by law.

Dwingling; the act of being dwingled; to dwingle is to reduce a human to the status of slaughterhouse livestock; dwinglee; a human treated as a cash cow for violent criminals, dwingler,also dwinglor; an elected representative of the slaughterhouse livestock, formerly humans.

Say Uncle notes that Massachusetts is dropping population to the point that it's poised to lose a representative in Congress.  Many of them are gun owners gettin' out while the gettin' is good.