Democratic Rep. Cori Bush of Missouri used her concession speech this week to blast the nation's largest pro-Israel group, warning them to "be afraid."
Bush — who lost her primary election to a pro-Israel Democratic rival financially backed by the American Israel Public Affairs Committee (AIPAC) — warned that the group's influence on the election has "radicalized" her.
Bush called out AIPAC in her concession speech — "All they did is radicalize me, so they need to be afraid," she said.
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"AIPAC, I'm coming to tear your kingdom down," Bush declared. "And let me put all of these corporations on notice, I'm coming after you, too!"
Bush, a controversial lawmaker who rose to prominence in the Black Lives Matter movement, was denied a third term when Democratic voters nominated St. Louis County prosecutor Wesley Bell for the seat that represents St. Louis City and part of St. Louis County.
Pro-Israel groups spent millions to unseat Bush, a vocal critic of the war in Gaza and the Jewish state.
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Bush said in her concession speech that leaving the legislature will strip her of "strings" holding her back from fighting AIPAC in earnest.
"Because now, there are some strings that I have attached," Bush said. "And as much as I love my job, all they did was radicalize me, and now they should be afraid."
Bell’s campaign received a big boost from the pro-Israel super PAC, whose super political action committee, United Democracy Project, spent $8.5 million to oust Bush.
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AIPAC targeted Bush as a weak candidate after her repeated criticism of Israel’s response to the Oct. 7 Hamas attack.
It was a game plan that worked earlier this year in New York.
In June, United Democracy Project spent $15 million to defeat another "Squad" member — Rep. Jamaal Bowman, D-N.Y., who lost to George Latimer, a pro-Israel centrist.
Fox News Digital's Chris Pandolfo contributed to this report.