Strategy & Tactics....
So, in the usual case the kids and “parents” are separated and sent to different facilities
Or they dissappear into the system and refuse summons etc.
So by keeping the “family” together it will be much easier to ascertain whether or not they actually are related, say by a DNA test
They come in together and they can leave the same way, as a family
Game, Set, Match
And if the Dims want to change things they need to change the law