Even by old standards it took two witnesses to get you prosecuted for witchcraft. So let's say that it a their word against yours type of arrangement. I would think that that would be an almost ideal scenario for defense, but it does happen and if it's a LEO than yes you would likely need corroborating evidence such as a handy dandy recording device. Such as it is this is the way the world works. This is also why I give little thought to people who say we are just trying to set up the police as an OC community. If the "game" were fair to play we wouldn't need to try and tilt the odds to our favor now would we?