Dayne Adrian Sitladeen pleaded guilty in U.S. District Court Wednesday.
The incident happened a few hours before Donald Trump held a rally in Duluth last September.
As a result of the plea agreement, the more serious charges against him will be dismissed.
Kelly Backman admits he was on drugs during a chase through Fergus Falls last October.
Rodney Velho admitted to shooting his girlfriend's ex boyfriend while he was dropping off children for a visit.
Jennifer Lynn Boutto pleaded guilty to one count of embezzlement and theft of Tribal funds on Tuesday.
Martha Smith admitted to child endangerment over a period of years while the child was in her care.
Jason Mesich will be sentence in March.
Abdelhamid Al-Madioum pleaded guilty to one count of providing support to a designated foreign terrorist organization.
Kipp Baldwin pleaded guilty to theft-by-swindle and filing fraudulent tax returns.
They were among the 60 people charged last month in a scheme that involved convincing older people to pay for expensive fraudulent magazine subscriptions.
The ATF learned about what he was doing from a Popular Science magazine article about him.
He claimed for years that she shot herself.