Former Pinal County Sheriff Mark Lamb is projected to win the Republican primary for Rep. Andy Biggs’s seat in Arizona’s 5th Congressional District, according to Decision Desk HQ (DDHQ).
Lamb, who previously ran for Senate and lost to Republican Kari Lake in the 2024 GOP primary, secured President Trump’s endorsement along with support from conservative groups. Despite being dogged by a reported sex controversy, Lamb is on track to replace Biggs following his primary victory.
The primary win positions Lamb as the likely Republican candidate for the general election in this key Arizona district.
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