Sen. Lindsey Graham won South Carolina’s Republican primary Tuesday, defeating challenger Mark Lynch in a race that drew national attention ahead of the 2026 midterm elections.
Graham, 70, entered the final stretch with endorsements from President Donald Trump and much of the state’s Republican establishment. The incumbent emphasized his conservative record and commitment to opposing what he described as the radical left’s agenda.
What Happened
Graham was declared the winner over businessman Mark Lynch shortly after polls closed. Lynch faced mounting scrutiny over his financial disclosures, criminal history, and campaign operations in the final days before the election.
The Washington Reporter published an exclusive report alleging that Lynch failed to disclose bank accounts and investments while claiming he made roughly $5 million in personal campaign contributions. The report also alleged Lynch owed between $50,000 and $100,000 in unpaid federal taxes for the 2025 tax year.
An ethics complaint was filed urging the Senate Ethics Committee to investigate Lynch’s financial disclosures and the source of his campaign funding. Lynch has not publicly responded to the specific allegations about unpaid taxes.
Lynch’s Background Issues
Lynch acknowledged a 1984 felony cocaine trafficking conviction, describing it as part of his personal journey involving addiction and redemption. He claimed he later received a presidential pardon, but Justice Department pardon records have not confirmed this claim.
Lynch also faced questions about a 1985 South Carolina case involving allegations he left the scene of an accident with injuries. He denied the incident was a hit-and-run, and court records show he ultimately pleaded guilty to other charges in the case.
The candidate previously made comments supporting cocaine legalization, which he later argued were taken out of context. Graham’s campaign released an advertisement showing Lynch struggling to answer basic constitutional questions during a recorded interview.
The National Stage
Trump endorsed Graham and criticized Lynch sharply, calling him a