Well, I won't comment on cctv as I don't know that much about it, unfortunately. Sure, it's just a tool and it can be used for good. And bad.
Regarding the official story on "9/11:" like the JFK assassination, we are told to believe the official story without any doubt. If we even express the tiniest of doubts, we are immediately attacked for: conspiracy wackjob. Unamerican. Thought criminal.
It seems as if we should turn off our own intelligence and just accept whatever the government tells us to believe. The government may not be perfect, but unconditionally accepting whatever they dictate must be better than what our own intelligence and rationale tell us, I suspect.
Wanna see something truly crazy? Here. Don't look at it for too long, you will go insane! LOL