Remember at the time her husband had a weird tweet that he deleted after. It was something like 'happy now? They finally did it. Monsters all of you'. Something along those lines and of course it fueled the speculation that he had indeed been offed. He deleted it shortly after.

I never bought the brain tumor. Nobody lasts that long with what he supposedly had, let alone remain mentally functioning. He should have been a drooling vegetable long before he died.