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

A mysterious 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 true source of the ad campaign may not be known for months due to Federal Election Commission rules. Front groups are proliferating in the 2026 election cycle, with various industries using loopholes to obscure their identity.