Why do you suppose random mass shootings occur more frequently in the United States, than any other country in the world? What is different about our society that makes these events more common?
... and they happen everywhere :
Mandalay Bay Hotel and Casino in Las Vegas
Pulse Nightclub in Orlando
A church in Sutherland Springs, Texas
Numerous schools including Sandy Hook Elementary in Newtown, Connecticut, Robb Elementary in Uvalde, Texas ...
A Walmart in El Paso, Texas
A mall in Allen, Texas (Texas gets hit a lot, don't they?)
A Tops Friendly Supermarket in Buffalo, New York
A movie theater in Aurora, Colorado