It's not her original body, that one has been torn apart, Killy saw it. Safeguards can spawn almost everywhere, Sanakan was extinguished because Killy threw her into Toha Heavy Industries since safeguards and governors have no access to it.
The GBE doesn't work because it's a safeguard's weapon, Sanakan has one, too.
Just before the elevator door opened, I remembered that part, my memory of BLAME! is so bad, it irks me.
The silicon beings are basically cyborgs, has been a long time since we last saw them. No idea what that score is, it's not about the two (remember, one of them killed Kumoi) that Killy killed.
Cibo is so small.