Foundation president Dan Backer called the pattern “a sustained flow of foreign money” into the race and urged prosecutors to take action. Mamdani’s team has refunded some contributions but reportedly kept over $7,000 in disputed donations. A campaign spokesperson claimed many donors were U.S. citizens living overseas, insisting compliance protocols are in place. With Election Day weeks away and polls showing Mamdani still leading, the allegations could spark a late political firestorm threatening his once-steady advantage.