Political heavyweight Roger Stone fingered billionaire hedge fund manager Paul Singer as the financial backer behind the infamous anti-Trump dossier.

Representatives for Singer, a major GOP donor, denied in 2014 that the billionaire had hired Fusion GPS, the company that produced the dossier, to investigate the Argentine government. However, Singer’s team refused to confirm or deny this year whether the hedge fund tycoon had worked on the Trump dossier.

Stone’s latest report and the allegations of former ties to Fusion GPS call into question Singer’s involvement in research intended to bring down Trump.

On Wednesday, long before other media, Stone was the first to point to Singer as the man behind the curtain in a series of reports filed from New York City.

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