What are the indictments and arrests against an Omaha councilman and 3 others?

An Omaha city council member, a former Omaha police captain, a former Omaha police detective and a fundraiser have all been arrested on federal charges and are being detained in a Saunders County jail. It's part of a federal investigation into public corruption. Two indictments, which total 53 pages, outline multiple charges against the men.