Obviously, he could've just taken the BTC and run so I give him that, but surely if a raid action were taken there would be some evidence of it since the government has open records requirements and all of that stuff, right?
The NGC could certainly seize computers without publicly disclosing anything. If there had been an arrest, they would have made a public disclosure.
https://www.youtube.com/watch?v=BaD8ion8iGIThe video statement looks legit to me. And he wrote: Served with a search warrant from Nevada Gaming at gunpoint, then lead out my front door in nothing but boxers & handcuffs, then they stole most of my electronics. I was not arrested or charged with any crimes.
His comments about them unnecessarily drawing guns, using handcuffs, etc. in front of his 2-year old kid appear to be authentic.