A minister whose wife was killed in last year’s mass shooting at a church in Charleston, S.C., is praising Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE’s work on gun control.

The Rev. Anthony Thompson lauds the Democratic presidential front-runner’s work pushing for stricter firearm regulations in a new campaign ad released Friday.

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“Hillary is committed to making sure that the guns don’t get into the wrong hands," Thompson says in the clip. "She’s standing with the president to get stronger gun laws so no family ever has to go through anything like this again.”

Clinton’s campaign plans to begin airing the clip statewide in South Carolina this weekend, it said in a statement early Friday.

Gun control has been a big issue in the Democratic primary between Clinton and Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE. Clinton has sought to cast Sanders as weak on gun control. Sanders has touted his poor grade from the NRA in arguing the attacks are ill-founded.

Both candidates are also seeking to win over black voters in South Carolina.

The Charleston shooting last summer shocked the country. Nine people were killed when a shooter opened fire at an evening prayer service at Emanuel African Methodist Episcopal Church. The suspect, Dylann Storm Roof, allegedly targeted the historically African-American congregation in hopes of starting a race war.