Former Attorney General Eric HolderEric Himpton HolderEric Holder says Trump is subject to prosecution after leaving office Eric Holder: Democrats 'have to understand' that 'borders mean something' Trump lawyers ask judge to toss out Dems' tax return lawsuit MORE touts Democratic presidential candidate Hillary ClintonHillary Diane Rodham ClintonMissing piece to the Ukraine puzzle: State Department's overture to Rudy Giuliani On The Money: Trump downplays urgency of China trade talks | Chinese negotiators cut US trip short in new setback | Trump sanctions Iran's national bank | Survey finds Pennsylvania, Wisconsin lost the most factory jobs in past year Meghan McCain, Ana Navarro get heated over whistleblower debate MORE as a champion of civil rights in a new Clinton campaign ad in South Carolina.

"If you want to make sure Republicans don't take us backward, help Hillary move us forward," he says in the video, evoking President Obama's "Forward" campaign theme in 2012. 

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Holder, the first African-American attorney general, also notes that Clinton is in favor of tougher gun laws and "police accountability."

The 30-second spot, Clinton's first in South Carolina, comes a few weeks ahead of the Palmetto State's Feb. 27 primary. 

The ad airing this week is part of a broader ad buy in Charleston, Columbia, Greenville-Spartanburg and Florence-Myrtle Beach, according to Clinton's campaign. 
 
Holder was previously featured in a similar 60-second radio ad for Clinton released last week. He positions himself as a target of Republicans and ally of Clinton in the ads.
 
South Carolina holds the fourth voting contest after Iowa, New Hampshire and Nevada. Clinton is widely viewed as having strong support among black voters in South Carolina.
 
Clinton squeaked out a win over rival Sen. Bernie SandersBernie SandersSanders to join teachers, auto workers striking in Midwest Krystal Ball tears into 'Never Trump' Republicans 2020 Democrats defend climate priorities in MSNBC forum MORE (I-Vt.) in Iowa on Monday, and is in New Hampshire ahead of the Feb. 9 primary there where Sanders is leading in most polls.