However, he claimed that the bitcoin was returned after he emailed a recovery expert with contact address - BLACKJOCKER10x @ PROTONMAIL COM. Different professionals who aid in retrieving stolen bitcoin were suggested by other commenters
to say the fact you don't really need to believe in every item projected on social media as crypto news, some may be intended to claim more victims, think of it in this direction, why do they have to steal it in the first place, it's a rare thing that we all know when crime is done that the main aim targeted is to loot or steal what does not belong to them, in this case, they may be framing all these stories we don't know, all we see is thier publication online, so why should we believe it, on a norms, every transaction is available for public view on the distributed ledger, if using a centralized exchange then something related to block user account is possible when due process is followed involving government.
there's whale alert as well that can signal any massive transaction carried out on the blockchain as well which could be traced when reported, but don't you think the hackers are now smarter than all these, don't you also think that the so called professionals in recovering stolen coins may be the hackers or scammers, just be careful, if you don't make a mistake from your end at first place there won't be need for all these.