A man killed after knocking on the wrong door, according to Atlanta police

(CNN) – An Atlanta man is under arrest after police said he shot dead a man who had knocked on the wrong door and had taken him to the apartment. his girlfriend.

Darryl Bynes, 32, was incarcerated in Fulton County Jail for murder, according to police sergeant Atlanta. John Chafee.

Shortly after midnight Friday, police said the victim was knocking on a door that he thought was his girlfriend's apartment. As the victim walked away from the door, Bynes, who was the resident of the apartment, approached his balcony and the two men started exchanging words. At one point, Bynes received a handgun and shot the victim, the police said.

The victim died on the scene after being shot in the back of the neck. The Fulton County Medical Examiner's Office would not confirm the name of the victim at this time.

The suspect remained on the scene and was arrested on the spot, said Chafee. We could not determine Sunday if Bynes had a lawyer.

Bynes' family told WSB, a CNN affiliate, that he was trying to protect his family and five children and that his truck had been stolen earlier last week.

The station also spoke to the family of the victim, who would be 19 years old.

"I have a hard time understanding that someone can be so mean and hurt a child," said the victim's mother, Lisa Johnson, at WSB. "Stop and think before you pull the trigger."