I posted most of the info,
But basically he harassed and did a lot of shit to Tankmanz due to the fact he called out franks alt acct, so a v small issue. And some of these things were over the top, such death wishes, a killing animation, and even stating a sexual threat. (Note, frank is 16, tank is 12 😬)
There’s also a possibility he drew Tank in a sexual act with him (so basically cp) along with impersonating tank’s acct and saying very sexual things (ノ_ _)ノ however there’s no proof or confession to say this was actually frank
He also stole keyys ocs and even stole her art style without permission, and basically said he wanted her to die