"transporting" . "mules" . "courier" . "Mule (smuggling)" . "couriers" . "balloon swallower" . "swallowed containers filled with cocaine" . . "Mules" . "detect swallowed items" . . "drug smugglers" . "body packer" . . "Mule (smuggling)" . "body packing or stuffing" . "Drug mule" . "mule drugs" . "drug courier" . . "drug runner" . "body packing/stuffing" . "drug mule" . "transporting the heroin" . "muling" . . "drug mules" . "mule" . "drugs he had swallowed" . .