"[A]s a teenager he was hospitalized twice in psychiatric facilities and was prescribed anti-psychotic and anti-depressant medications," reports Fox News.
This is yet another documented case of a young male on mind-altering psychotropic drugs who later committed mass murder. See more documented cases as PsychDrugShooters.com.
The mall where the tournament took place was another "gun-free zone" that failed to stop a murderer from opening fire, astonishingly. The world has yet to figure out why "gun-free zone" signs don't stop people from using guns. Meanwhile, gun control advocates call for expanding gun-free zones to encompass the entire nation, figuring that the only reason they don't work is because they aren't large enough.
Importantly, Katz acquired his firearms legally, purchasing them in Baltimore, Maryland where gun purchases are more restricted than almost anywhere else in the nation. He reportedly purchased the firearms in the last month and followed all gun purchase background checks, proving yet again that expanding gun background checks would not have stopped this mass shooting.
An earlier version of this story cited a report on Katz' Reddit profile, which we now know was misattributed to Katz.
Like many of today's youth, Katz appeared to be vulgar and obnoxious, much like the anti-gun "Hitler Youth" wannabe David Hogg, who talks like a foul-mouthed fascist.
Thanks to "everybody's a winner" indoctrination by horrible parents and warped public education institutions, many young people today have become hyper-privileged, angry sociopaths who care about no one but themselves. That so many of them turn to violence to solve their problems -- Antifa, anyone? -- is yet another disturbing commentary about the cultural collapse now plaguing the modern world.
Read more coverage of psychiatric drugs at Psychiatry.news. See news coverage of mass shootings at Shootings.news.