You need to be extremely careful with that. Account sellers can give you false information, many of them are outright scammers and don't have any accounts to sell - they just grab screenshots from random accounts.
Yeah... I will not tag anyone without triple check with other members.
One more info I have is that he created new account few days ago and sent messages from his other accounts to his new account.
I collected all info but I will not post it here yet.