Literally mass shootings account for about 2% of overall firearm deaths. Nearly 60% of deaths from firearms are by suicide. There are 300 million guns in this country and millions of law abiding citizens who aren't committing these crimes.
Most of you get drunk daily, weekly or monthly, and nearly 88,000 people die every year from alcohol or alcohol related offenses. Nearly 12k of homicides the individual was involved with alcohol too.
Maybe the FBI and police could of caught this kid or stopped him from owning a gun after the numerous times they were contacted, including one from 4 days before the shooting where the person said he is going to shoot up a school?
Did any of you try to ban alcohol recently? Probably not.