An anonymous reader writes "Facebook already shares its Law Enforcement Guidelines publicly, but we've never actually seen the data Menlo Park sends over to the cops when it gets a formal subpoena for your profile information. Now we know. This appears to be the first time we get to see what a Facebook account report looks like. The document was released by the The Boston Phoenix as part of a lengthy feature titled 'Hunting the Craigslist Killer,' which describes how an online investigation helped officials track down Philip Markoff. The man committed suicide, which meant the police didn't care if the Facebook document was published elsewhere, after robbing two women and murdering a third."