Newly-unsealed legal documents have unearthed a bitter fight between the social networking giant and the New York district attorney, reports The New York Times. The personal data of 381 Facebook users was handed over to Manhattan prosecutors as part of an investigation last year, eventually leading to 130 of those individuals being indicted for allegedly defrauding the Social Security system. Its a Fourth Amendment issue Facebooks leaning on the Fourth Amendment, saying the government doesnt have the right to seize, look at, or keep private messages, shared media, or other communications of users without those people knowing.