PLL returns this winter
[Spoiler (click to open)]A is Charles DiLaurentis, transitioned to become Charlotte DiLaurentis=CeCe Drake.
Black Widow is Sara Harvey.
Red Coat is Sara Harvey.
Ian killed himself. Mona staged it.
Wilden killed Garrett.
CeCe killed Wilden.
Mona hit Bethany, Mellissa buried her.
Mrs. D's killer is still a mystery.