Previous resident at 609 Roanoke Dr, Allen, TX 75013 is-—
John Crusius, 63 Plano, Tx
The apparent separation of Crusius’ parents could explain the confusion of which school Crusius attended. Allen or Plano.
Lots of info at this site on Crusius’ father-—
https://threadreaderapp.com/thread/1157869432313696257.html