"the speed cameras being placed abundantly throughout town by the Arizona Department of Public Safety were being "vandalized" with -- gasp -- Post-It notes.
Scofflaw activists hope placing the sticky notes on camera lenses will bring attention to their cause and allow at least a few speeding motorists to escape citations. An Arizona Republic article states the protesters have also been spraying the cameras with Silly String."
(Sidenote: "scofflaw" is my new favorite word)
Camera vandalism, whilst new in Arizona, has evolved pretty heavily in the UK and across Europe:
One commenter states:
"Ah, civil disobedience against tyranny. What a proud tradition we have in this country."