Expect zero investigation form the feds. That's what cryptocurrencies want
And identities on the blockchain are completely anonymous right? So even though you can trace the money on the transparent blockchain it's not like you can know who the person is. And if they are caught, since the blockchain is irreversible and uneditable there is no way for the victim to get his money back unless the perpetrator sends it back. Its not like a bank or insurance company can repay the victim from the perpetrator' s funds.