By A Mystery Man Writer
Charlie Craig tells THR when the person in the grave will be revealed and hints at Elliott and Mary being “A.D.”
Hold Your Piece, Pretty Little Liars Wiki
Pretty Little Liars (TV series), Pretty Little Liars Wiki
Pretty Little Liars (season 4) - Wikipedia
Pretty Little Liars - Welcome to the Dollhouse - Review: Raise
Pretty Little Liars recap: Season 7, Episode 19
Watch Pretty Little Liars: The Complete Fourth Season
Pretty Little Liars (season 5) - Wikipedia
Pretty Little Liars Recap: Boy, Bye
Pretty Little Liars' Grave Mystery: Season 7 Premiere Interview
Pretty Little Liars: Season 4 - TV on Google Play
15 Mysteries Pretty Little Liars Still Needs to Solve - PLL Questions
Pretty Little Liars (season 4) - Wikipedia
Pretty Little Liars recap: 'Through a Glass, Darkly