TALLAHASSEE, Fla. (WTXL) - A Georgia deputy has been arrested in Tallahassee after he pulled a gun on a man he believed had allegedly assaulted his daughter.

Chester Coachman Jr. was arrested on Thursday.

According to an arrest report, Coachman and his wife had drove from Atlanta to Tallahassee to pick up their daughter after she told them that her boyfriend had hit her.

Coachman told police that they were there to get his daughter's keys back, saying that the boyfriend had them.

According to an account from the boyfriend's brother, the boyfriend was not at the apartment at the time and told police he didn't know anything about the keys.

But when Coachman had pulled up in his car and ran up to the apartment on Putnam Drive, he pulled a out a gun on the brother, thinking he was his daughter's boyfriend and asked him "did you hit my child?"

The boyfriend's brother told Coachman that he did not know his daughter and told him to leave or he would call the police. He then went back inside the apartment.

When police arrived, they found that Coachman was wearing body armor and had a loaded pistol on his hip. Coachman told them that he was a deputy at the Cobb County Sheriff's Office and that he had his credentials.

When asked why he drive all the way from Atlanta to Tallahassee while armed and armored, Coachman responded that he just wanted to get his daughter's keys back.

Coachman was arrested and charged with aggravated assault.