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No, it is Alison. Courtney is Alison's twin sister, and she used to go to a mental hospital, but when she came home from it one day she acted like she was Ali. Ali ended up having to go back to the mental place and live there for years.
The day that "Alison" supposedly died was Courtney. Alison killed her for taking over her life.
What else can I help you with?
Who is the killer in the Pretty Little Liars series?
Courtney Alisons twin sister
Who is Courtney's killer in Pretty Little Liars?
Courteny's killer is Ali, go to the link below for a really good spoiler.
Courtney from Pretty Little Liars is a?
No. Courtney is dead
Was Mona the killer in Pretty Little Liars?
No, Mona wasn't the killer in Pretty Little Liars
Who is the twin in Pretty Little Liars?
Courtney
Who is Courtney on Pretty Little Liars?
Courtney is alison's twin sister, who pretended to be her
Why was Courtney in a hospital in Pretty Little Liars?
Courtney was in the hospital because she had mentel issues.
Which Pretty Little Liars book do you find out about Courtney?
You find out about Courtney in the book Wanted.
Who Killed Ali in the Pretty Little?
The real Ali killed her twin Courtney. Courtney was friends with the Pretty Little Liars. Ali didn't like Courtney.
How did Alison kill Courtney in Pretty Little Liars?
Suffication
Did they found Courtney's body in Pretty Little Liars?
Actually no...
How did Alison kill Courtney on Pretty Little Liars?
by hands
