Almost all countries, especially the developed and developing, have this "jump plane" (not leaving after arriving in the visiting country) problem.

I have seen so many Chinese ladies in their 20s to 40s peddling CDs, VCDs, pens and stuff and even stun guns in broad daylight.

I am sure they are brought in by syndicates just like those who bring in those who work as GROs.

The authorities should not just go only after the foreigners but also the locals who are the middlemen in this illegal trade.