Credit: ABC Family Channel © 2010 Disney ABC Television Group Photo: The Girls Huddle Up in Season 1, Episode 13: Know Your Frenemies

Now that the Pretty Little Liars girls have hard evidence that seems to clearly indicate Ian is Alison's killer, the obvious thing would be to take it to the police. But Spencer is hesitant to do so next week and she kind of has a point: "A"'s the one who showed them the tape, and "A" never has good intentions. What do you think they should do?