It's probably hiding under one of the penumbras or emanations or something.
Seriously, though...
if there is a secret balance reference, it must be chosen (or not) by the legislatures of each state.
If there is a "right to privacy" which even includes dismembering a child within you, how could it be that voting is something which the armed gangbangers known as The State can force you to reveal?
Maybe this little Wise Latina made a big Ooopsie which could be exploited to kill the Roe monster.