"In regards to the first bet # 128iBKnkKPcSPcwZEDMK7sSMJGodx3n47o, is it the first ever bet that you placed on our website ?"
Why did you delete your reply from the screen shot ?
Can you post here what you replied to us ?
At this point, I agree with TwitchySeal, robinH, techgeek, and others - instead of asking (hungerstyle), tell (all reading the thread).
I realize that you may trap hungerstyle into making deceptive statements as you feel you already have, but you can see by the responses, even with those who seem to side with your take on the issue, that they feel it's gone far enough.
I believe to retain your credibility as an honest well received sportsbook, you need to present your facts (without revealing secret security measures/proprietary info that you feel you can't).
Perhaps you've received some info from others that's supposed to be confidential.
But you stated that "...hungerstyle is a hacker...", not "we suspect hungerstyle is a hacker".
You've stated that what you believe are his doublespend techniques are repeated time after time and therefore it's not an accidental doublespend.
Fine. State your facts. Demonstrate the above.
So far you can see that people want more proof that it wasn't an accident or that you're not misinterpreting what occured.
Perhaps he's gotten away with doublespends in the past at Directbet or you suspect that he has, or that you've stopped other doublespend attempts.
Perhaps you or others are looking for hungerstyle and want some specific info about him.
But I doubt you're going to get any more info from him and you can see that some public sentiment is going strongly against you at this point.
So it does appear that it's getting to the time to lay your cards on the table.
Or else accept the negativity that this case is engendering.