Lawyers want money up front. There is a saying about not using good money to chase after bad. Yes... irony.
The hardest part is nobody has anything in writing and all transactions were in bitcoin. You might as well sue the hamburglar for stealing your monopoly money.
One thing that might work in our favor is that hashking has admitted to the attorney general that he was the mastermind of his scheme. Now it's just a matter of going to small claims court and trying to explain cryptocurrency to a stressed out underpaid judge.