A man arrested after his family reported he had threatened to shoot up the Atlanta airport is now facing federal charges, police say.

Georgia man faces federal charges after allegedly threatening to shoot up Atlanta airport. Police said they found loaded AR-15 in his truck, preventing potential tragedy.

A friend of Billy Joe Cagle -- the man arrested Monday at Atlanta's major airport for allegedly threatening a mass shooting -- is now talking to TMZ ... revealing the red flags that pushed him to reach out the night before cops swooped in.

Police say a family's quick action stopped a potential mass shooting at Atlanta's busy airport before it began.

Federal prosecutors have charged a Georgia man arrested this week at Atlanta's airport after his family told police he planned a shooting.

Wild bodycam footage shows the moment police pounced on a man who had threatened to “shoot up” a busy airport. Police were called to Hartsfield-Jackson Atlanta International Airport on Monday morning after the family of 49-year-old Billy Joe Cagle reported his erratic behavior.

We are here today briefing you on a success and not a tragedy because a family saw something and said something.”