The Boston Globe, January 11, 2009 by Julie Masis
http://www.boston.com/news/local/articles/2009/01/11/is_this_lawman_your_facebook_friend/?page=full
Jennifer Lynch, a lecturer at the law school … said there are ethical issues involved when police pretend to be someone’s friend to get access to their profile. “If police are creating a fake profile and asking to be a friend, they are not going through the court” to obtain a search warrant, she said. “So you’re losing the checks and balances that we value in our criminal justice system.”