As to how she'd send emails, perhaps she actually didn't, and relied on her siamese 'daughter' and/or others to do that sort of grunt work ?
Regardless, I tend to agree with your suspicion that, to one degree or another, all three of the options you outlined above apply to the nazi bitch.
/.02
I’m in the same boat as you regarding phones. My sons are computer nerds though, and could probably tell me a lot. Maybe I can ask them tonight after work.
Or maybe some computer and/or medical experts here could clue us in. But I’ve looked up articles about computer monitors and seizures, and it definitely is an issue for people with photosensitive epilepsy.