Billionaire Elon Musk has said there is widespread fraud taking place in the payment of "federal entitlements" like Social Security. Social Security benefits are paid to more than 70 million Americans on a monthly basis, and help form the bedrock of income for many retirees, survivors of deceased claimants and disabled people.

Elon Musk's Department of Government Efficiency wants to cut government spending, but it's also prompting lawsuits and concerns about data privacy.