A Georgia district attorney race should set off political alarm bells for Rev. Raphael Warnock and his team as the Democratic Senate candidate tries to unseat appointed Republican Sen. Kelly Loeffler.

Deborah Gonzalez, a Democrat, won her special election runoff Tuesday to become Georgia’s next Western Judicial Circuit district attorney. But voter turnout in her jurisdiction’s key Democratic stronghold was low. And that’s a trend Warnock will have to buck if he hopes to beat Loeffler on Jan. 5.