India, Oct. 21 -- A man was taken into custody on Monday inside Hartsfield-Jackson Atlanta International Airport after his relatives informed officials that he was armed and intended to "shoot it up" at the airport.

While Billy Joe Cagle was unarmed at the time of his arrest, investigators discovered a "AR-15 assault rifle" in his parked car.

Atlanta Police Chief Darin Schierbaum described it as a "tragedy averted" and stated that the arrested man has been charged with terroristic threats, criminal conspiracy to carry out aggravated assaults, possession of a firearm in the commission of a felony, and possession of a firearm by a convicted felon.

Cagle resides in Cartersville, roughly an hour north of Atlanta. A Georgia Department of Co...