Depends on your definition of crime. Tron got exchanges to steal or borrow Steem to smuggle into private and personal Steem accounts that those exchanges own on Steemit to then vote or upvote witnesses and then as heard from Roy Liu and Tron Overlord Justin Sun, they were trying to rush the funds, the Steem, to power down and return the dough back to the clients on those exchanges as quickly as possible before anybody could notice it seems.
RE: De-Spinning the Spin - The real truth