Even if this were true, you have no right to keep his deposit.
But it's already written in the T&C at the moment (I don't know if this confiscation policy was made since it was added recently).
Someone with a brand new profile claiming to innocently getting his withdraw refused while refusing to provide proper evidence or opening a scam accusation thread
The account cannot be accessed because it has been locked so the accused can't provide evidence that strongly supports. If it follows the procedure, the accuser should provide evidences first that this account is alt, so the accused will make a defense. While the investigation is still underway (which in my opinion is rather long for one case) since March 28 last (based on screen capture).