Dear Harold Terwagne,

Thank you for your requests.

We understand your concern and do our best to prove your involvement in criminal transactions.
Unfortunately, this will take some time. We cannot influence decisions on this case, but we will keep you informed.

Thank you for your patience and understanding.

There is nothing to prove.
I can ask Coinbase and Liquid exchanges to certify that these bitcoins and that address do belong to me if screenshots aren't enough for you and for that "police officer".
And that I bought these bitcoins with fiat currency that came from my own and personal bank account.
This is as easy as that. I have got absolutely nothing to hide and that's obviously not a good news for you.
What kind of fraud could that be? Are you being serious with this -surely- fake police officer?
If there is some suspicions of fraud he should file a case against me and contact Belgian authorities not freezing funds without any reason.
I'm not afraid.
I will not give up. I need this money I will not give up and I'll make you regret to steal my funds.