Killer by sara shepard................?

not a question but, omg just finished it and it was amazing i got it the day it came out:) but ali's alive???? and i so didnt suspect jason maybe wilden tho:) and is mellissa helping ian i guess its ok cuz it doesnt seem like hez the killer but idk sara shepard is an amazing author she has sooo many great ideas :) thx for reading this comment plz