Look at places where there are CCTV cameras all over, there is very little crime there compared to the United States. I won't use China as an example because then you are going to attack me for saying it's an authoritarian state. In that case I will use democratic examples: Taiwan, South Korea, Singapore.
At long last, we have created the Torment Nexus from classic sci-fi novel Don't Create The Torment Nexus...
If Arizona was blanketed in CCTVs, do you think this kidnapping would have happened?
And if it still did happen, I'm 100% sure the suspects would have been caught by now (11th+ day since the disappearance now).