Yeah, I’ve been clinging to the idea that since he didn’t show up in HI in the custody of Stanley until he was around 2 1/2 to 3 (or thereabouts) he therefore entered the country at that time. I understand very clearly now how preconceived notions get in the way of seeing the whole picture!
So, regarding the missing week of archived records, either Zero had already been given the name BHO at that time (?) or someone who brought him was famous... or had an otherwise connectable name.
An otherwise connectable name...yes.