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Report: Cruz Won't Help Primary GOP Senators

AP Photo / Jose Luis Magana

He also told his colleagues that Sens. Mike Lee (R-UT) and Rand Paul (R-KY) will not fundraise for the SCF.

Catherine Frazier, spokeswoman for Cruz, said that he will still be involved with the conservative group's initiatives, but won't be participating in its actions related to Senate races.

"He'll continue working with them to promote common conservative policies, but not get involved in their endorsement or fundraising decisions," Frazier said. "SCF’s organization is not just about primary politics, but promoting conservative causes that Republicans across the spectrum can support."