'Pretty Little Liars' Season 4 Episode 24 Spoilers: Who is the Dead Girl in Alison's Grave?

When the current season of "Pretty Little Liars" ends next week, questions surrounding the disappearance of Alison DiLaurentis will hopefully be answered. The next episode will mostly feature Alison as she recounts the events that led to her disappearance on that September night. One theory floating around suggests that the girl in the grave might be Alison's twin Courtney. Mar 12, 2014