Off course they do.
“The police apparently do not want witnesses to what they do in public,’’ said Sarah Wunsch, a staff attorney with the American Civil Liberties Union of Massachusetts, who helped to get the criminal charges against Surmacz dismissed.
Boston police spokeswoman Elaine Driscoll rejected the notion that police are abusing the law to block citizen oversight, saying the department trains officers about the wiretap law. “If an individual is inappropriately interfering with an arrest that could cause harm to an officer or another individual, an officer’s primary responsibility is to ensure the safety of the situation,’’ she said.
http://www.boston.com/news/local/massachusetts/articles/2010/01/12/police_fight_cellphone_recordings/?page=1