The mass shooting from the 32nd floor of Mandalay Bay in Las Vegas has bone-chilling parallels to the 1966 University of Texas tower slaughter.
51 years ago a sniper used the advantage of height to rain bullets down on people below.
Charles Whitman killed 15 people and injured 31 from the 28th floor at the University of Texas, Austin.
It was the first modern mass shooting in the United States.
The Las Vegas massacre is the first mass shooting by a gunman from an elevated position since then.
Authorities now have to worry about how to deal with potential copycat shooters.
“This is a game-changer in the modern era… We have to be concerned about it. We have to create an entire new strategy.” David Shepherd, retired FBI agent
