Here's how I see it:
You have to verify that pirate:
1) paid back 100% of the borrowed principle
Pretty easy. His passthrus and direct investors will state whether or not they received it all. If he scammed them, we'll hear about it pretty loudly and pretty violently all over the forums, and they'll be able to provide proof of their investment as well. Not difficult at all to prove this.
2) paid 100% of the promised interest
See above.
3) and paid 100% of the debt holders according to 1 & 2 above.
See above. This thread is not about whether passthru operators are scammers. I do not need to poll each and every passthru operator.