Today, the U.S. methamphetamine market is supplied primarily by Mexican drug cartels and other transnational criminal organizations. These groups produce large quantities of high-purity methamphetamine in industrial-scale laboratories, often located in Mexico, using precursor chemicals sourced internationally. The drug is then transported across the U.S.-Mexico border through well-established trafficking routes and distributed through extensive networks within the United States. Due in part to reduced domestic production and the efficiency of these operations, methamphetamine is widely available, relatively inexpensive, and often more potent than in earlier periods.
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