From ‘shots fired’ to all clear: 72 minutes of terror in Las Vegas
The Los Angeles Times - 10/03/2017
That initial confusion is common during mass shootings, said James Allen Fox, a Northeastern University criminologist. Locating a gunman is even more challenging when he is perched above the ground, in a building covered in blinding gold windows.
“He was camouflaged,” Fox said. “It would be hard to find him at such a high profile.”