A grand jury in St. Louis indicted Missouri Gov. Eric Greitens on one felony count of invasion of privacy stemming from his 2015 extramarital affair, the City of St. Louis Circuit Attorney’s Office announced Thursday.

“As I have stated before, it is essential for residents of the City of St. Louis and our state to have confidence in their leaders. They must know that the Office of the Circuit Attorney will hold public officials accountable in the same manner as any other resident of our city,” Kimberly Gardner, circuit attorney for the city of St. Louis, said in a statement. “Both parties and the people of St. Louis deserve a thorough investigation of these allegations.”