Every time I am taking photos around downtown Denver, I find myself Confronted by security guards. They ask what I'm doing, who I'm with, etc and (incorrectly and with out success) tell me that I am not allowed to take pictures of the buildings. Ive been downtown on three different evenings recently, and the same thing has occurred each time. Obviously, these instances leave me irked, and to some extent unsurprised (private security guards have an deserved rep for this type of behavior). What I find iniquely disconcerting, it the extent to which this us occurring, and the exaggerated degree of paranoia being displayed. What's the deal? Anybody else running into the same thing? And, assuming one is on public property, what rights do property owners/managers regarding pics being taken of their buildings?