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- Timothy Mellon is a secretive billionaire who's the heir to a Gilded Age banking fortune.
- He's RFK Jr.'s biggest financial backer and has given $25 million to a super PAC supporting him.
- But he's also spent $75 million on Trump, including $50 million the day after his conviction.
Timothy Mellon has now emerged as the most important donor to both former President Donald Trump and Robert F. Kennedy Jr., spending tens of millions of dollars on both men.