Domestic drug enforcement takes many forms, from the rural patrol officer who happens upon a small-scale mobile “shake and bake” methamphetamine lab during a routine traffic stop, to the city narcotics detective who initiates a low-level buy-bust operation that nets a few hits of crack cocaine on the street corner, to the local, state, and federal agents working in multiagency task forces that coordinate a sting operation that nets thousands of kilos of near-pure cocaine...