the cartels out here have stash houses known as breeder houses.
in texas a baby does not necessarily get a birth certificate if 'born at home.'
the doulas do the medical work around delivering babies and child birth.
there is no accurate way to track this ie either births or deaths or 'missing.'
the children born to the breeders can then be sold, trafficked, or used as breeders.
the population of illegal aliens is unknown and cannot be known for this very reason.