Kenny Wells, 42, is charged with carrying a weapon or long gun at a commercial service airport, reckless conduct, discharging of firearms on property of another, and possession of a firearm by a convicted felon.
The top security official flew to Atlanta on Wednesday to get a firsthand account of the situation.
The family of Scout Schultz, the Georgia Tech student who was shot and killed by campus police, has settled their lawsuit with the university for $1 million.
"The cat was screaming for its life," a flight attendant said on TikTok.
Atlanta's new Mayor-elect Andre Dickens has gone on record saying he's against Buckhead splitting off from the city, but leaders of the Buckhead city movement say they will forge ahead with their efforts to put the issue to a vote.