
KEY POINTS
- Police arrested Billy Joe Cagle, 49, after discovering his alleged plan to 'shoot up' Atlanta Airport.
- Cagle's relatives in Cartersville, Georgia, called police after seeing him livestream his intentions to attack the airport.
A potential bloodbath at one of the world's busiest airports was narrowly avoided after quick-thinking relatives and police foiled a man's alleged plan to open fire inside Hartsfield-Jackson Atlanta International Airport.