Pretty Little Liars has promised that all of our A-related questions will be answered by the time the show bows out this year. The biggest question, of course, is who is at the top of the A pyramid? There are so many theories as to who Uber A could be , but what if we had the answer the entire time? Twitter account @PLLINSIDER claims that they already know who A is, and they’re feeding fans major plot points that could unravel the entire show.