That is troubling. If it’s not illegal in that country, whatever “that” is, it shouldn’t be prosecutable here.
We respect other culture and should respect their laws and customs .
The third world is not a “be a pedophile free zone”.
Go do that there, and it is a safe bet you are doing it here, just in a more cautious way.
Any way you thin the predators out and keep them away from their intended victims is good. If they go overseas expecting that there will be no detectives and cameras being reviewed later, well, they help the process along.