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North Carolina Senate Race Tightens Following Cunningham Affair Disclosure

Democrat Cal Cunningham apologized for an extramarital affair as the Army begins an investigation, shifting the dynamic of a key North Carolina Senate race.

Published September 13, 2026 at 1:51 AM EDT

The short answer

Democrat Cal Cunningham apologized for an extramarital affair as the Army begins an investigation, shifting the dynamic of a key North Carolina Senate race. Democrat Cal Cunningham apologized for an extramarital affair disclosed approximately one month before a pivotal North Carolina election that could determine control of the U.S. Senate.

North Carolina Senate Race Tightens Following Cunningham Affair Disclosure

The Facts

Who
Cal Cunningham (D), Sen. Thom Tillis (R-NC), and Arlene Guzman Todd.
What
Democratic Senate candidate Cal Cunningham apologized for an extramarital affair involving the wife of a veteran, leading to a U.S. Army investigation and a shift in campaign strategy for incumbent Sen. Thom Tillis.
When
October 2020
Where
North Carolina
Why
The race is a primary factor in determining which party will control the U.S. Senate, with Republicans currently holding a 53-47 majority.

Democrat Cal Cunningham apologized for an extramarital affair disclosed approximately one month before a pivotal North Carolina election that could determine control of the U.S. Senate. Cunningham, an Army reservist, is facing an investigation by the Army following reports that he sent sexually suggestive text messages to Arlene Guzman Todd, the wife of a veteran. Guzman Todd later confirmed she had at least one intimate encounter with Cunningham during a period of marital separation.

The disclosure comes as Republicans, led by incumbent Sen. Thom Tillis (R-NC), attempt to retain their 53-47 Senate majority. Prior to the reports, Cunningham had maintained a monthslong lead in polling and reported significant fundraising figures. While Democrats are favored in races in Arizona and Colorado, and Republicans hold an edge in Alabama, North Carolina is viewed by both parties as a central path to a majority.

Sen. Tillis, who recently tested positive for coronavirus, has called for Cunningham to provide a full explanation of the matter, stating that the Democrat's campaign was built on "character, integrity and a military background." In response, Cunningham’s campaign spokeswoman, Rachel Petri, characterized the attacks as an attempt to exploit a personal matter to save Tillis's political career. Petri argued that Tillis remains behind due to his positions on health care and the pandemic response.

For North Carolina voters, the shift in campaign focus from policy to personal conduct may obscure debates on healthcare and pandemic relief in the final weeks before the election. While a Democrat familiar with polling suggested voters are not yet shifting support, Republican strategists believe the scandal provides a "bridge" to holding their majority. The concrete impact for citizens would be felt in the subsequent years of governance, as a Republican-led Senate would likely act as a check on a potential Biden presidency, whereas a Democratic-led Senate would facilitate the executive branch's policy goals.

The next steps involve a heavy period of advertising and the conclusion of the Army's investigation. Cunningham’s campaign is scheduled to outspend Tillis on television airwaves in the coming week, though Republican outside groups are now running ads focused on the affair. Tillis is expected to return to Washington next week to participate in the Senate Judiciary Committee's hearings for Supreme Court nominee Amy Coney Barrett. The final determination of who will hold the seat will be made by voters on Election Day, Nov. 3.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. Drafted with AI assistance and checked against the source record before publication. See how we report, or report a correction.

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Questions readers ask

What happened: North Carolina Senate Race Tightens Following Cunningham Affair Disclosure?

Democratic Senate candidate Cal Cunningham apologized for an extramarital affair involving the wife of a veteran, leading to a U.S. Army investigation and a shift in campaign strategy for incumbent Sen. Thom Tillis.

Who is involved?

Cal Cunningham (D), Sen. Thom Tillis (R-NC), and Arlene Guzman Todd.

When did this happen?

October 2020

Where did this happen?

North Carolina

Why does this matter?

The race is a primary factor in determining which party will control the U.S. Senate, with Republicans currently holding a 53-47 majority.