Ok he's an idiot. Well-meaning but foolish. And his tweets at the time were disingenuous.
https://bitcoinmagazine.com/articles/bitcoiner-faces-charges-after-selling-btc-undercover-cop/
... That officer allegedly told Rockcoons in advance that the cash came from the manufacture and distribution of “hash oil,” which contains tetrahydrocannabinol, a controlled substance at the federal level.
Which is not to say that the law is all wrong in this. What a grubby case, an attack on bitcoin, but a silly mistake by the bitcoiner too.
edit/add https://twitter.com/search?f=tweets&q=nodefather%20scammer&src=typd