By A Mystery Man Writer
This is without question the most important mystery the show left unsolved.
Game Over, Charles
Pretty Little Liars': Pretty Little Mom's Editon
Pretty Little Liars Moms Basement Escape I Marlene King
Pretty Little Liars Finale Recap: Some Unholy War
List of Pretty Little Liars characters - Wikipedia
Marlene King Explained How the Pretty Little Liars Moms Got Out of the Basement
I. Marlene King Just Revealed How the PLL Moms Got Out of That Basement!
Pretty Little Liars Season 7 Episode 20 Review: Til deAth Do Us pArt - TV Fanatic
Pretty Little Liars: Season 1
Pretty Little Liars (season 6) - Wikipedia
Pretty Little Liars' Spinoff Update -- 'The Perfectionists' Details