Farah Stockman, a columnist and editorial writer for the Boston Globe who was at the airport at the time, said she witnessed the shooting.

"Just witnessed craziest thing: dead body at #NewOrleans airport. Man stabbed 2 pple at security line shot by police," Stockman wrote on Twitter. "People had heard gunshots. Everyone was hiding behind chairs and in doorways. Made our way to exit. Body was lying in a pool of blood."