Operation Delta Blues is a federal crackdown on drug trafficking and public corruption . Five law enforcement officers were among 70 people in Arkansas charged in a federal drug-trafficking crackdown that also involved public corruption charges , authorities said Tuesday . The two-year investigation involved 16 court-authorized wiretaps . The inquiry focused on Helena-West Helena and Marianna , Arkansas . ` Comment:
Operation Delta Blues is a federal crackdown on drug trafficking and public corruption . The two-year investigation involved 16 court-authorized wiretaps . The inquiry focused on Helena-West Helena and Marianna , Arkansas . ` Comment: