Six people go undercover in key areas along I-65, which runs through six counties in Kentucky and Indiana and is one of the biggest drug trafficking corridors in the country, to see how drug cartels have moved into America's Heartland.
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Six people go undercover in key areas along I-65, which runs through six counties in Kentucky and Indiana and is one of the biggest drug trafficking corridors in the country, to see how drug cartels have moved into America's Heartland.
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