Authorities have confirmed that the Louisville gunman had bought the AR-15 style rifle used in the attack legally.
There have been 147 mass shootings in the United States so far this year, according to the Gun Violence Archive, which defines a mass shooting as one in which at least four people are shot, excluding the shooter.
Meanwhile, more than 11,650 people have lost their lives to gun violence in the past few months, the website’s data showed.
Experiences with gun-related incidents are common among U.S. adults.
One in five say they have personally been threatened with a gun, and a similar share say a family member was killed by a gun, including death by suicide, according to a new survey released by the Kaiser Family Foundation.