1 October Mass Shooting

During the Route 91 Harvest Country Music Festival in Las Vegas, a gunman carried out the deadliest mass shooting in U.S. history, 58 people were killed.

Concert goers arrive at the Route 91 Harvest Country Music Festival.

Concert goers arrive at the Route 91 Harvest Country Music Festival.

Concert goers enjoy live music at the Route 91 Harvest Country Music Festival.

Concert goers enjoy live music at the Route 91 Harvest Country Music Festival.

Concert goers dance at the Route 91 Harvest Country Music Festival.

Concert goers dance at the Route 91 Harvest Country Music Festival.

Windows are broken, showing the 32nd floor suite at Mandalay Bay hotel-casino from where Stephen Paddock shot and killed 58 concert attendees.

Windows are broken, showing the 32nd floor suite at Mandalay Bay hotel-casino from where Stephen Paddock shot and killed 58 concert attendees.

Las Vegas Police work following the Route 91 Harvest Country Music Festival mass shooting.

Las Vegas Police work following the Route 91 Harvest Country Music Festival mass shooting.

A makeshift memorial for the victims of the Route 91 Harvest Country Music Festival mass shooting is seen on the Strip.

A makeshift memorial for the victims of the Route 91 Harvest Country Music Festival mass shooting is seen on the Strip.

At the East Las Vegas Community Center, Lisa Bailey, third from left, and other attendees listen as Nev. Sen. Pat Spearman, D-North Las Vegas, speaks during a vigil to commemorate the victims of the Route 91 Harvest Country Music Festival mass shooting.

At the East Las Vegas Community Center, Lisa Bailey, third from left, and other attendees listen as Nev. Sen. Pat Spearman, D-North Las Vegas, speaks during a vigil to commemorate the victims of the Route 91 Harvest Country Music Festival mass shooting.

Battle Arms Development employee Tyler Schlappi does a function test on a short-barreled rifle at Green Valley Range in Henderson, Nev..

Battle Arms Development employee Tyler Schlappi does a function test on a short-barreled rifle at Green Valley Range in Henderson, Nev..

Bullet casings are scattered across the floor at Green Valley Range in Henderson, Nev..

Bullet casings are scattered across the floor at Green Valley Range in Henderson, Nev..

In the week following the Route 91 Harvest Country Music Festival, volunteers work on the Las Vegas Community Healing Garden in downtown Las Vegas to commemorate the victims.

In the week following the Route 91 Harvest Country Music Festival, volunteers work on the Las Vegas Community Healing Garden in downtown Las Vegas to commemorate the victims.

Visitors walk around the newly opened Las Vegas Community Healing Garden.

Visitors walk around the newly opened Las Vegas Community Healing Garden.

Photos of victims of the Route 91 Harvest Country Music Festival mass shooting are seen on the remembrance wall of the newly opened Las Vegas Community Healing Garden.

Photos of victims of the Route 91 Harvest Country Music Festival mass shooting are seen on the remembrance wall of the newly opened Las Vegas Community Healing Garden.