What You Need to Know: Stephen Paddock, Las Vegas Shooter
Debbie Lord, Cox Media Group National Content Desk
A gunman shooting from the 32nd floor of a hotel on the Las Vegas Strip has killed at least 50 people, authorities say, making the shooting the deadliest in American history.
Stephen Paddock was killed when police stormed his room in the Mandalay Bay Hotel and Casino, but not until Paddock went on the shooting spree that has left an estimated 200 others injured, some critically.
If the number of at least 50 dead is accurate, the shooting becomes the deadliest single-day mass shooting spree in American history.
Here is a list of the some of the deadliest mass shootings in America.