Missouri has concealed carry but in addition to the places where it's forbidden businesses can refuse to allow weapons on their premises. Most malls don't allow it.
Which is precisely why this psycho chose it.
This Ann Coulter article below should be printed and read 1000 times over by every person who is for “gun free zones”
http://www.anncoulter.com/cgi-local/article.cgi?article=179
I don't understand the purpose of a concealed carry permit if businesses have signs to keep guns out. To me, the safest person with a gun is the one with the concealed carry permit, they have to go through training, background checks and have to qualify with their guns. These are the people I'd love to have around for just this very purpose (crazed shooters).