T along with Jason and Ian, whom he went to high school with.
In Season 4, it is revealed Melissa ordered Shana and Jenna to go to the lodge to spy on the Liars to see whom they were meeting, and that they didn't start the fire, Wilden did.
She was a patient at Radley Sanitarium, where she gave birth to Charles Drake, but allowed her sister Jessica to adopt Charlotte as a child.