India, Oct. 21 -- A potential tragedy was stopped at Atlanta's airport on Monday, October 20, after a man allegedly threatened to open fire inside the Hartsfield-Jackson Atlanta International Airport terminal.

The suspect, identified as Billy Joe Cagle, 49, from Cartersville, Georgia, was arrested before anyone was hurt, CBS News reported. Cagle posted a series of disturbing messages on social media, according to the investigators, saying he was on his way to Hartsfield-Jackson Atlanta International Airport to "shoot it up."

CBS News reported that it was Cagle's own family who made the call that led to his arrest. They immediately alerted authorities after seeing the videos online, which helped them detain Cagle before he could reach th...