It’s usually the images of a violent mob attacking the U.S. Capitol that are associated with the effort to overturn the 2020 presidential election. But as more financial records become public, another image is emerging—of billionaires in MAGA gear writing large checks.

And one billionaire in particular.

Among the ranks of “dark money” groups and anonymous megadonors who bankrolled the effort is a familiar name in GOP fundraising circles: Dick Uihlein, founder of the multinational Uline shipping company.

According to tax disclosures first published online by the Center for Media and Democracy, Uihlein’s nonprofit—the Ed Uihlein Family Foundation—poured millions of dollars in 2020 into a sprawling number of groups connected to efforts to challenge Joe Biden’s victory and reimagine election law, as well as other right-wing extremist organizations, including ones designated as hate groups.

And the money is pure Uihlein—the foundation’s $16.8 million in 2020 donations came exclusively from Dick Uihlein himself. And over the course of that pivotal year, the organization gave it all away.

Kyle Herrig, president of left-leaning watchdog […]