Each of the 58 people killed in the attack is honored with a cross inside the Clark County Government Center in Las Vegas on Sept. 28, 2018. It was the deadliest mass shooting in modern U.S. history.

Each of the 58 people killed in the attack is honored with a cross inside the Clark County Government Center in Las Vegas on Sept. 28, 2018. It was the deadliest mass shooting in modern U.S. history.