If it was voluntary and the seller set the price, it would be a buyback of sorts. Not voluntary and enforced at the barrel of a gun by LE for not complying = confiscation
They just don't have the balls or the decency to call it what is, per usual.
Remember, the end justifies the means to them, so how it gets done is irrelevant to them.
Made this meme recently:
via Imgflip Meme Generator
Bookmarks