There was an article in our local paper about people stealing copper wire from light posts and selling the wire as scrap. They were stealing it during daylight hours wearing a hardhat and safety vest (trying to look official). I doubt the police would buy your story about geocaching.
I thought this log was funny. It was from a cache that was missing: "
"This one is still missing or taken away. But we found where it should have been, i.e. the correct coordinates. " and they still logged a find