you should find a plagiarized post of one of these accounts from somewhere else without a source.
Your suggestion is like go and check deep into their history, by any means find something which can be accused as plagiarism then you will be easily get the accounts banned LOL.
I think that's a wrong reason to be in the forum.
I think that mods should consider to ban buyingtechnow
Forum does not ban scammers or ponzi promoters.