[KimuraFTW]

Originally Posted by BigJimCalhoun

Conceal Carry Not permitted in:

Federal Buildings
State /county were metal detectors are at all entrances
schools
private property posted as such.

I don't know if the theatre had a no weapons sign, often they have some code of conduct in a corner somewhere.

source
http://www.dcsheriff.net/Concealed_Handgun_Permits.html



The law is the same statewide for CCW
open carry is allowed except where it is not, and most cities prohibit open carry. Unless in the forest, best to assume OC is banned.

Thanks. I live in Maryland and you basically have to know the Governor to get one here so I don't know all the details.