A scandal-plagued House candidate powered by President Donald Trump’s endorsement won a messy primary Tuesday.
Mark Lamb, the former Pinal County sheriff, overcame a late push from self-funding candidate Daniel Keenan in Arizona’s 5th District. Lamb will enter November as the heavy frontrunner in the deep-red Phoenix-area district to replace Rep. Andy Biggs (R-Ariz.), who is running for governor.
Keenan had poured nearly $2 million of his own cash into the campaign and attempted to make Lamb’s alleged sexual misconduct and abuse of power central to the race. Lamb has denied the allegations.
But Lamb — bolstered by Trump and Arizona-based Turning Point USA — managed to ward off the attacks.
The race’s outcome reveals the strength of Trump’s endorsement, and it’s the latest example of how willing GOP primary voters have been to accept scandal-ridden candidates favored by the president.
Lamb, who served as sheriff until 2024, earned national notoriety as a gun-toting critic of the Biden administration’s immigration and border policy. He secured Trump’s backing for the 5th District contest last year.
Then in May, the Arizona Republic launched a multi-part investigation alleging that Lamb engaged in a yearslong pattern of sending sexual images and instigating intimate encounters between him, his wife and others. One woman involved, Jillian Stannard, accused Lamb of encouraging her husband to have sex with other women, including Lamb’s wife. She also alleged that Lamb threatened her, saying there would be consequences, when Stannard raised concerns to religious leaders.
Screenshots the Republic obtained of messages with another woman, Tammy Peacock, suggest Lamb — then a sitting county sheriff — threatened to leverage Arizona’s revenge porn law against her.
In a statement last week, Lamb spokesperson Ed Morabito told POLITICO that “these allegations are false and come from long-discredited political opponents.”
Lamb did not lose any significant endorsements in the wake of the scandals — Trump reinforced his endorsement in mid-July — even as Keenan made the allegations central to his campaign.
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