US authorities crack down on crypto fraud, returning $8.2 million to victims.Federal Bureau of Investigation (FBI) identifies 33 crypto fraud victims nationwide, who lost over $4.9 million.More potential victims are being identified and five additional accounts are under investigation.US Attorney's Office of the Northern District of Ohio submits a civil complaint for the forfeiture of 8,207,578 Tether valued at around $8.2 million.