I'm not a lawyer, but: the cops can still hassle you even if you know you're in the right. Consider this case: http://articles.baltimoresun.com/2010-05-08/news

I'm not a lawyer, but: the cops can still hassle you even if you know you're in the right. Consider this case: http://articles.baltimoresun.com/2010-05-08/news/bs-md-hermann-police-wiretap-20100508_1_state-trooper-graber-s-case-camera http://articles.baltimoresun.com/2010-05-08/news/bs-md-herma... Eventually a judge ruled for him, but imagine the heartburn over the prospect of going to jail for 15 years. Some cops do not like being video-taped even in public. Some will even pull a gun on you to intimidate you: http://www.miamiherald.com/2011/06/02/v-fullstory/2248396/witnesses-said-they-were-forced.html http://www.miamiherald.com/2011/06/02/v-fullstory/2248396/wi...