Illegal Fentanyl is flooding the southern border. According to a recent report, the illegal drug comes from two main sources: China and Mexico. It arrives in two ways: U.S. consumers order it directly from laboratories in China or Chinese companies ship it to smugglers in Mexico, where the goods are then shipped into the U.S. via popular trucking routes.
Read more: Border wall needed to protect against a 'caravan' of a different kind: drugs