Fifteen members of an Eastern Michigan drug trafficking group calling itself the "Marshall Organization" have been indicted by federal authorities, the Department of Justice has announced.

All but one of those who have been indicted are in custody, including Marshall family members who established the group.

A multi-agency investigation involving the FBI, ATF, Michigan State Police and the Bay City Police Department coordinated the investigation and arrests. Federal agents who made arrests in Bay City and Detroit today recovered more than 1 kilogram of powder cocaine, 2 ounces of crack cocaine, firearms, and other drug paraphernalia.