Democratic National Committee (DNC) Chairman Tom Perez Thomas Edward PerezClinton’s top five vice presidential picks Government social programs: Triumph of hope over evidence Labor’s 'wasteful spending and mismanagement” at Workers’ Comp MORE on Tuesday swiftly condemned former Maricopa County Sheriff Joe Arpaio's (R) entrance into the Arizona Senate race, targeting Republicans for supporting both Arpaio and former Alabama Senate candidate Roy Moore Roy Stewart MooreVulnerable Senate Democrat urges unity: 'Not about what side of the aisle we're on' Sessions hits back at Trump days ahead of Alabama Senate runoff Judge allows Roy Moore lawsuit over Sacha Baron Cohen prank to proceed MORE (R).

In a statement released Tuesday afternoon by the DNC, Perez accused the GOP of not being able to find better candidates for office than an "accused child molester" and a "racist former sheriff."

“It’s a sad and disturbing sign of moral decay in the modern Republican Party that a racist former sheriff and convicted criminal in Arizona and an accused child molester in Alabama are the best they have to offer," Perez said in the statement.

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"Joe Arpaio is one of our nation’s most notorious agents of racism and bigotry. He has spent his career tearing apart immigrant families and devastating Latino communities, and he has no place in the U.S. Senate," he added.

Moore, a former Alabama judge, was defeated in December by now-Sen. Doug Jones (D) in the state's special election. Moore's campaign was dogged by allegations that Moore engaged in sexual misconduct with teenage girls when he was a district attorney. Moore has denied the allegations.

Arpaio announced his candidacy earlier Tuesday, saying in a tweet that his main reason for running was to support President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE's agenda in the Senate. Arpaio will run for the seat to be vacated by Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeRepublican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style Bush endorsing Biden? Don't hold your breath MORE (R-Ariz.), who last year announced that he would not seek reelection.

"I am running for the U.S. Senate from the Great State of Arizona, for one unwavering reason: to support the agenda and policies of President Donald Trump in his mission to Make America Great Again," Arpaio tweeted Tuesday.

I am running for the U.S. Senate from the Great State of Arizona, for one unwavering reason: to support the agenda and policies of President Donald Trump in his mission to Make America Great Again. https://t.co/ANppBdDOtp — Sheriff Joe Arpaio (@RealSheriffJoe) January 9, 2018

Arpaio's only challenger in the state Republican primary so far is former state Sen. Kelli Ward (R), who is endorsed by former White House chief strategist Stephen Bannon, but Rep. Martha McSally Martha Elizabeth McSallySenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-Ariz.) is also expected to jump into the race.

Trump won the state by 4 points in 2016. Arizona has not elected a Democratic senator since 1988.