I am guessing since the IRS was involved that he was avoiding taxes through this.
edit: Grammar
But the source article has way more details
Still shit reporting, but the source is just forbes blogging masquarading as news
At this amount, the only conspiracy would be that this will be used by the IRS to convince Congress that it needs a larger budget to do more of this kind of investigation, because cryptocurrencies are going private, finally.
The source article shows it was mostly Monero that was transferred
When transporting more than $10000 cash across state lines, it must be reported.
You are required to report cash imports of $10k or more into the country but not across state lines.
Its amazing how the average person believes normal human activity is "illegal"....goes to show the level of mental corruption we suffer under.