On December 1, following an investigation in collaboration with Japanese law enforcement authorities, the FBI seized the 3879.16242937 BTC in Ishii's wallet after obtaining the private key, which made it possible to transfer all the bitcoins to the FBI's bitcoin wallet.
Criminals should take note: You cannot rely on cyptocurrency to hide your ill-gotten gains from law enforcement," said Acting U.S. Attorney Randy Grossman.
Doesn't say how the FBI got the private key to Ishii's wallet.
Was it something like Ishii handing it over (e.g., for a lighter sentence), or did FBI find the wallet, seed backup, keys, or ???.
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Exactly what I would like to know as well.
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