A crackdown at the southern border means human smugglers may be rewriting their playbook, exploiting the glistening waters of the sweeping, increasingly dangerous Caribbean Sea. Law enforcement officials say they intercepted 30 Chinese nationals on boats off Florida's coast in August. All suspected of being undocumented.And in January, police say roughly two dozen Chinese migrants actually made it to land before they were caught in an upscale Miami area neighborhood >> to the ground. >> Another man earlier ...

Border Security & Drug Enforcement - US Customs and Border Protection (CBP) is actively combating cartels by intercepting smuggling tunnels along the US-Mexico border [1][2] - Intercepting tunnels significantly impacts cartels, potentially costing them a year's worth of labor and drug trafficking profits [3] - CBP discovered a nearly 3,000 foot long tunnel, 50 feet underground, intended for illicit activities [6] Human Smuggling Concerns - Human smugglers are exploiting the underground tunnels, potentially advertising safe passage for profit [4][5] - Videos suggest migrants, including adults and children, are attempting to enter the US through tunnels, with some messages written in Chinese [4] - The authenticity of the videos showing human smuggling is unverified by NBC News and CBP [5] Tunnel Characteristics & Methods - Smugglers design tunnels with features like ventilation systems (bounce house blower) and metal rails for transporting large quantities of drugs [3] - Tunnels can be large enough to walk through [4] - Cartels aim for tunnels to emerge in warehouses within the US [6]