No ONE solution will solve each and every mass shooting, because each one involves a person who is of a unique social/mental situation and acquired his murder weapon his unique way. Every time there is a mass shooting Fox/Newsmax focuses on the laws that wouldn’t have prevented the shooting, and ignores the ones that would.
Basically, all we have to do is what Israel and Switzerland do. That’s it. And we aren’t any where close to the amount of regulation those 2 countries have.