Are you gonna drink that?
@ the ignorance ITT.
Repeat after me: "Crazy people are crazy."
It wasn't the semi-auto weapons used. It wasn't even the high capacity mags. It takes me approximately 2-3 seconds to execute a magazine change in my .45, & I'm not even exceptionally quick. Given enough mags, and a modicum of practice - a simple pistol could have done the same damn thing.
You wanna prevent this type of crime with its massive casualties? Remove ALL firearms from the planet. Good luck with that.
Again, crazy people are crazy.