Rio Grande's deserted migrant trails show evidence of new drug traffickers
DEA agents in St. Louis tackle a growing heroin epidemic, one dealer at a time. Plus, St. Louis law enforcement pulls out every stop to reverse the city’s culture of drugs…and the violent crime it generates.
It's a war with no end in sight that generates billions in profits for those at the top. From scouring the world's oceans to trekking through dense jungles, Drug Wars is a no-holds-barred deployment into the dangerous reality of international anti-narcotics operations.