Federal agents have been surveilling Minnesota unions as part of an investigation into a potential Antifa conspiracy case. The agents were led by an individual who participated in the January 6 event. The investigation involved infiltrating meetings of protesters and examining the financial records of unions.

Agents were searching for evidence of financing for domestic terrorism. Further details about the investigation are available from the Star Tribune, which has obtained documents related to the case. These documents provide more information about the actions of the federal agents and their goals in surveilling the unions.