Musk was photographed chatting with fellow billionaire Jeff Bezos at a pre-inauguration dinner — but the woman next to him caught even more attention.

Elon Musk gave what appeared to be Nazi salutes at a rally held at Capitol One Arena on Monday after the inauguration of Donald Trump in Washington, D.C. And whatever Musk’s intention with the salutes, Americans on social media are extremely uncomfortable as they debate what it could mean for the future of the country.