Who’s Spending in Your Congressional Election? We Tracked the Front Groups Fueling the 2026 Midterms.

A mystery group spent $5 million on TV ads in the Michigan Senate primary, sparking suspicions of involvement by the American Israel Public Affairs Committee or its super PAC affiliate. The group's true source of funding may not be known for months due to Federal Election Commission rules. This is an example of how special interest groups are using loopholes to obscure their identity and influence elections.