Department of Government Efficiency leaders Elon Musk and Antonio Gracias raised concerns over a surprising increase in the number of Social Security numbers issued to noncitizens. They unveiled the startling findings during a presentation in Wisconsin.

Musk and Gracias showcased a “mind-blowing” chart highlighting the dramatic rise in SSNs granted to noncitizens. The revelations came during a town hall in Wisconsin, during which Musk presented a million-dollar check to two voters who submitted an online petition against activist judges ahead of the state’s Supreme Court election. Musk used the opportunity to reveal some shocking statistics about the Social Security system.