Be careful the next time you’re planning a bank heist on Facebook or send out a Tweet that reads “there were only supposed to be two alarm systems wtf???” As we’ve already reported, cops around the country have begun using social media to track down criminals, and now comes the news that the New York City Police Department has actually created a unit that monitors Facebook updates, Twitter feeds and the like to detect the planning of, or bragging about, illegal goings-on. [More]