"I heard him say, 'Sorry, I'm at the wrong house.' Then the man said, 'No you're not. N****, you at the right house.' And he shot two more times," Banks' girlfriend told WSB-TV.
Another witness told a similar story.
"I see him running around the corner and all you hear him saying is, 'I am sorry. It was the wrong door,'" a neighbor told WSB-TV. "(He said), 'You ain't come to the wrong door' and shot him a third time. I saw him drop to the ground."
Police say Bynes initially told police he shot Banks in self-defense, but officers say he shot the teen from his balcony as Banks was coming down the stairs, trying to get away.
Family friend Michael Wallace described Banks as a hard-working young man who never bothered anybody.
“This is a 19-year-old child that didn’t even deserve to die, that hasn’t even lived his life,” Wallace said.
Bynes is charged with murder. He's being held at the Fulton County Jail.
His family told Pozen they don’t think he should be charged with murder.
“He is an innocent father. He has five kids. He was protecting his family. His truck was stolen earlier this week, Right now, he's just trying to protect his family,” said his cousin, Makayla Johnson.
Bynes will go before a judge Saturday morning.