When federal officials talk about a flood of heroin entering the country, they are not exaggerating. In recent years the amount of heroin produced in Mexico has more than doubled – from less than 60 tons to more than 140 tons last year. It’s cheap. It’s plentiful. And all of it is destined for buyers in the United States. [snip]New Mexico, as a border state, is a transit state for all drugs coming north from Mexico, whether the drugs are smuggled into California, Arizona or through the ports of entry in southern New Mexico or El Paso.