Former Attorney General Eric HolderEric H. HolderEric Holder group to sue Georgia over redistricting Eric Holder to Trump: 'Taking a knee is not without precedent' Juan Williams: Momentum builds against gerrymandering MORE touts Democratic presidential candidate Hillary ClintonHillary Diane Rodham ClintonChris Murphy’s profile rises with gun tragedies DNC, RNC step up cyber protections Gun proposal picks up GOP support 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.