Thomas has attended at least two Koch donor summits, putting him in the extraordinary position of having helped a political network that has brought multiple cases before the Supreme Court

On Jan. 25, 2018, dozens of private jets descended on Palm Springs International Airport. Some of the richest people in the country were arriving for the annual winter donor summit of the Koch network, the political organization founded by libertarian billionaires Charles and David Koch. A long weekend of strategizing, relaxation in the California sun and high-dollar fundraising lay ahead.

Just after 6 p.m., a Gulfstream G200 jet touched down on the tarmac. One of the Koch network’s most powerful allies was on board: Supreme Court Justice Clarence Thomas.

During the summit, the justice went to a private dinner for the network’s donors. Thomas has attended Koch donor events at least twice over the years, according to interviews with three former network employees and one major donor. The justice was brought in to speak, staffers said, in the hopes that such access would encourage donors to continue giving.

That puts Thomas in the extraordinary position of having served as a fundraising draw for a network that has brought cases before the Supreme Court, including one of the most closely watched of the upcoming term.