Guns are readily available in the US because of a culture of selfishness

A man inspects a handgun inside of the Beretta booth during the NRA annual meeting in Indianapolis, Indiana, 2019. [Reuters]

An 18-year-old shooter killed 21 people recently, including 19 children, at a Texas elementary school. Gunmen have murdered many innocent Americans in the past.

Adam Lanza, a 20-year-old at Sandy Hook Primary School in Connecticut, shot 70 people, including 20 six-year-olds, in December 2012. Adam Lanza had shot his mother an hour earlier.