How something becomes a law is pretty much the same across the board.
1.) Somebody sees or hears that something happened and says, "there ought to be a law!" (against whatever it is, real or perceived, that happened).
2.) A number of like-minded others do likewise. One or more of them may even contact a legislator.
3.) Eventually, a politician seeking more certain re-election (very few do not) takes this "issue" and introduces a bill in his/her/its legislative body, often citing how many lives of children will be saved by such a law.
4.) Somebody in some legislative body attaches a sympathy-inspiring name to the bill, naming it for a victim of the occurrence that started all of this (i.e., Virgil's Law).
5.) Co-sponsors emerge from the woodwork, and a vote is taken; the bill goes to the state or federal Chief Executive for signature.
6.) The bill has become law, and the original occurrence (again, be it real or perceived) never happens again, unless, of course, the occurrence is a "good thing" (apologies to Martha Stewart) which is mandated by a law.
And that, my good people, is how most laws are born and enacted.
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