Though Hestia wished that people were escaping, she doubted it. More likely they were in Azkaban, or just put to death. She didn't hold out any hope that he was in prison, she knew he was dead, deep down. As far as the other attacks, well hopefully those people got out alive, but she kind of doubted it. She hated being so pessimistic, but it wasn't hard to be.
"Getting them immune is hard. But once you've told someone that they've been controlled, and you explain it. I.. took out that memory, and put it in a safe place. Every day I look at it and remind myself. Kind of like a person who has short term amnesia and need to reminded every day. After that, it's just about trying to help them regain memories until they aren't controlled. I don't know, that's just how it was done for me." She shrugged slightly.