President Trump commented Monday about 'looking into' deporting Tesla and SpaceX CEO Elon Musk. Here's what we know about Musk's citizenship status.

The feud reignited on Monday when Musk, who spent hundreds of millions on Trump's re-election, renewed his criticism of Trump's tax-cut and spending bill, which would eliminate subsidies for electric vehicle purchases that have benefited Tesla, the leading U.S. EV maker. That bill passed the Senate by a narrow margin midday Tuesday.

Errol Musk, Elon Musk's father, has advised his son to prioritize his businesses, particularly Tesla, and avoid political entanglements. He expressed bewilderment at Elon's conflict with Donald Trump,