Seen the $1000 Tongan micros they offer on LA

It's a no brainer, or course they know :lol:
I guess you don't understand what I'm saying, so I will try to make it simpler.
Coral is shipped to Indo from Asian country.
Indo reships with <read> CITES documents.
Those go around the world, including the US.
They enter with what all US agencies would agree is a legal document, and they would have no other way to know otherwise, as it's the other countries problem. Now, if this was a ivory smuggling case, I bet they'd investigate pretty deeply, but you can tell the source of ivory with tests, unlike micros. They can't go after foriegn shippers, only the receiver stateside. They can ban the shipper, but they have no legal authority over the non US operation. It's not like corals have much of a paper trail once they get into the us. No one is required to fill out forms to obtain coral within the US, nor is anyone required to keep records of where they got their domestic coral. If there was such a system in place, they could do what you say.
AS for going after online vendors, how does US F & W S know they didn't frag it from anothers colony. They could have bought it from another hobbyist. The proof you say exists, in fact, doesn't, nor could it be used against them. If US F & W S (federal) conducted such a sting, they'd have no way to actually prove their case. Once a coral gets into the US, it's virtually impossiable for them to prove it was gotten in an illegal fashion. You can't prove a source of a micro by looking at it, nor could you tell if it was from a CITES coral or not. It's unforunatly the truth. You can tell that some of the current trendy corals aren't listed on any CITES quotas though, like the dendros and "eyes of the ocean"/ what not.
You didn't asnwer the question about rememeberring Eric selling that Acan during the peak of the Acan craze

That was the most expensive one I have heard of to date.