A smart guy like that could have easily fashioned a horrifying Propane bomb, which would have killed at least half in the theater.
Well then.
BAN PROPANE!!!!!11!!1!
The guy had 30 explosive devices and 30 artillery shells. It’s idiotic to be suggesting gun control because of this horrific incident.
I met and rejected a strange PhD-candidate genius guy in school - stalked me for a while
His weapon of choice was cyanide
Luckily he only used it on himself
A canister of cyanide in a theater could have also killed dozens
Until we grapple on how to identify and deal with potentially violent mentally ill, there will be mass murders, by other means if not guns.
Mentally ill people can get plenty of ideas and inspiration from violent “entertainment” in our pop culture