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7 min read
● InformationalEthics / Corruption

A Trump-backed Arizona candidate faces tough House primary after sex scandals

Lamb is facing allegations detailed in an Arizona Republic investigation as he seeks the Republican nomination.

A Trump-backed Arizona candidate faces tough House primary after sex scandals
Image · Yahoo News

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Host credibilityYahoo News76/100 HIGH
This article1 analysis · Oct 3, 2026

Credibility rates Yahoo News, which republished this story. The other scores rate the article itself.

Republished with credit

Republished from Politico, with credit to the original publisher.

Politico82/100 HIGH

204 stories · 82–83 · updated Oct 5, 2026

This is Politico's own score, and this article is credited to Politico. The host score in the Source Check is Yahoo News's.

Yahoo Newsvia Politico
Jul 16, 2026
tl;dr

Arizona House candidates Daniel Keenan and Mark Lamb are heading into a competitive Republican primary amid allegations against Lamb that he denies. Keenan is spending heavily on ads highlighting the allegations, while Lamb retains President Trump's endorsement.

Community verdict

VOTING CLOSED
How does this story look for
Mark Lamb R · AZ
NOT RATEDCLOSED

No good or bad look here

This story reports what happened without casting Lamb in a good or bad light, so readers don’t rate it and it doesn’t count toward Lamb’s record.

● INFORMATIONAL

People in this story

SWIPE →
Mark Lamb
R · AZ

Republican candidate for Arizona's 5th District and subject of allegations raised in the primary

PRIMARY SUBJECT

Republican candidate challenging Mark Lamb in Arizona's 5th District

Keenan's version of this story ↗
Donald Trump
R · President of the United States

President whose endorsement of Lamb is a factor in the primary

Kari Lake
R · AZ

Arizona politician cited in Lamb's previous Senate primary

Arizona representative commenting on whether to intervene in the primary

Republican candidate for the Arizona House in Gilbert

Steve Scalise
R · LA-1

House majority leader whose fundraising solicitation was sent by Lamb's campaign

Ken Paxton
R · TX

Texas attorney general cited in a comparison with another Republican primary

John Cornyn
R · TX · SEN

Texas senator cited as the incumbent Paxton defeated in the Republican primary

Andy Biggs
R · AZ-5

Arizona representative referenced in connection with a previous challenger

Jim Jordan
R · OH-4

Representative whose fundraising solicitation was sent by Lamb's campaign

ALSO MENTIONED  Matt Salmon, Former representative commenting on Trump's endorsement

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