SPOILER ALERT: This article contains details of last night's series finale of Freeform's Pretty Little Liars. By now, everyone who’s paid attention to Pretty Little Liars knows the big ugly truth: The evil twin did it. (And if you’re holding out and don’t want to know whose evil twin, stop reading here). But were there other possible solutions or alternate endings considered to cap the seasons-long mystery solved in last night’s Season 7 (and series) finale?