According to Jenna, Noel was accountable for Sara Harvey's homicide and intended on not only murdering the Liars but also Marshall because Charlotte left enough money in her will to pay for another eye surgery.
According to Jenna, Noel was accountable for Sara Harvey's homicide and she feared to be his next victim. Kahn recruited Jenna with the assertion that Charlotte left enough money in her will to afford Marshall another eye surgery.