I don't know more than was on the video. Don't recall seeing his stuff before. He claimed his own sources, IIRC. It's 'merely' a puzzle piece from the net. Unless there are other confirmations--it may be nothing. On the other hand, it is not outside the realm of possibility. And it IS within the strategies evident toward such evil doers currently.
It MIGHT be an 'early warning clue' that such is falling more overtly into place.
As Qx and I have noted probably many dozens of times--it was the flakiest groups who first and most accurately pegged Hitler before his rises to power--both times.