President Donald Trump endorsed former Pinal County Sheriff Mark Lamb in the crowded race to replace Republican Rep. Andy ...

Allies of the conservative behemoth Turning Point are backing Lamb, who is seen as the early favorite to succeed exiting Rep. Andy Biggs, R-Arizona.

President Donald Trump announced his endorsement for Mark Lamb, former Pinal County Sheriff, for Arizona's 5th Congressional ...

The race for the East Valley's 5th Congressional District may have a new front-runner as a growing field of Republicans vies ...

Former Pinal County Sheriff Mark Lamb discusses his decision to run for Congress with host Jim Sharpe on this week's AZ ...

Lamb, 53, is so far the biggest name in what has become a crowded GOP primary in Arizona's 5th Congressional District.

President Donald Trump endorsed former Pinal County Sheriff Mark Lamb for Congress Oct. 3 and encouraged another candidate to ...

Former Pinal County Sheriff Mark Lamb is running for Congress in Arizona’s heavily conservative 5th Congressional District.The seat is currently held by Rep. Andy Biggs, who has served since 2017. He ...

Former Pinal County Sheriff Mark Lamb signaled his intent to run in the Republican primary to replace U.S. Rep. Andy Biggs in a ruby red East Valley congressional district. Lamb on Monday filed a ...

Lamb will officially announce his candidacy Oct. 22, he told The Arizona Republic. Biggs, the incumbent, announced earlier this year he will run for governor in 2026 rather than seek re-election to ...