A federal grand jury indicted 41 people on two American Indian reservations in Minnesota for trafficking heroin methamphetamine, oxycodone and other drugs, according to Minnesota Public Radio.

KARE 11 reports that Omar Sharif Beasley reportedly ran the drug ring in the Red Lake and White Earth Indian Reservations between April 2014 and April 2015.

U.S. attorney Andrew Luger called the operation a multistate organization that ran drugs from Detroit and Chicago to the Minnesotan Indian reservations, according to the Star Tribune.

The Star Tribune also said Beasley’s court records show drug convictions dating back more than a dozen years for possession and intent to sell charges.

Beasley and another defendant were also charged with possession of firearms, according to KARE 11.

“We didn’t want to just take down the head of the organization or the people bringing the heroin into the state of Minnesota,” Luger said to MPR. “We wanted to make it as difficult as possible for somebody to come in and pick up where this organization left off.”