"But if it can be made locally and the price comes down, we could have big problems, " says Narong Suwanapiam, deputy secretary general of the Office of the NarcoticsControl Board in Bangkok.
The first anti-narcotics battalion, now operational, has been dispatched to the southern province of Putomayo, a region under the control of the biggest rebel group, the 15, 000-strong Revolutionary Armed Forces of Colombia.