Campaign spending has smashed records in Wisconsin’s high-stakes Supreme Court race, as megadonors from both parties are directing millions to the closely watched election that’s set to decide ideological control of the battleground state’s high court.

Ben Wikler, chair of the Democratic Party in Wisconsin, said it’s illegal for Elon Musk to cut $1 million paychecks for voters who support Brad Schimel, a Republican candidate for the state’s Supreme Court.

MADISON, Wis. (AP) — Tesla CEO Elon Musk and political groups he backs are pouring millions of dollars into the race for a seat on the Wisconsin Supreme Court as the electric vehicle company sues to overturn a state law that prevents it from opening dealerships — a case that eventually could make its way to the high court.