Are 150-year-old Americans receiving Social Security checks, as Elon Musk said?

In a closely watched Oval Office event, billionaire entrepreneur Elon Musk shared some of the findings and rationale behind his Department of Government Efficiency, which President Donald Trump has tasked with cutting spending across the government.

As an example of his work so far, Musk cited some "crazy things" that had emerged in just the "cursory examination of Social Security" his team was undertaking.