The owner is a little strange. Definitely not normal. I've only met him a few times as he's not an active member in the club.
He's a priest for a hospital, so maybe he refused initial vet care because he was hoping God will restore his ferret? I'm not trying to joke here. He seemed genuinely concerned for his ferret, but she was extremely neglected. Either way, an upsetting situation for the ferret.
He seemed shocked that she died. I guess I was too, but I wasn't surprised it happened. The whole spazzing episode right before she fell limp maybe suggested a seizure or cardiac arrest. It just happened so quickly.
The owner claimed she was healthy other than "showing signs" or insulinoma. From what I saw, she was in advanced stages of UNTREATED insulinoma and died a horrible death in addition to her neglect. And I'm sure all the stress of the fire, moving place to place, and being away from familiarity, being overwhelmed by new people/ferrets/places took it's toll on her little fragile body. Plus she was really old.
We asked about the necropsy, but the owner said not to bother. We just sent her to get cremated and she will be back in a week. The owner said he will pay for her cremation. And if she were alive, he was going to pay for her vet visit and treatment too.
I guess he's accepted that his ferret is better off. I have a handful of witnesses(including a vet and vet tech), videos, and photographs of the ferret's miserable condition to vouch that she was not well. So I doubt he will blame me for her death.
I'm sad that this happened, but relieved that the ferret isn't suffering any more.
Thank you everyone who gave helpful suggestions and support. I really appreciate it.