Who Is the New A in Pretty Little Liars?

It's a whole new era on Pretty Little Liars, and there's already so much to keep track of. We've leapt five years into the future, and there's a new, terrifying "big bad" on the loose. But that's not all. Charlotte has been murdered, creating a whole new mystery and a whole new list of suspects. The strangest part is, this new villain — this "Uber A," if you will — doesn't seem to know who did it. There's a lot to mull over, but perhaps the biggest question is, who's the new villain that's tormenting the gang? Keep reading to see our top suspects.