Half serious here. If they’re so smart why didn’t they know about screenshots? I mean part of their proof was a photograph of a screen, which seems odd to me.
We never really thought about documenting progress, so the photo of the email was taken from a phone camera of a teacher's computer (they had sent the email). We managed to find it while I was writing the article earlier on in the year, in a "deleted pictures" folder. I thought it would be cool to add it on. It's purely because the project spanned such a long time and nothing was really written down or saved.