PLL Spoilers: Liars Change Mind About Ali?

Right now, the Liars are sure Alison is “A” and that she killed Mona.  However, it seems like the Liars may have a new suspect by the end of season 5.

In this video, Sasha Pieterse (Alison on PLL) acknowledges that no one is a big fan of Alison right now.  However, she spills that things will change toward the end of season 5.  Lots of things unfold that show the Liars a different side of “A” and of Alison.  They change their mind on who they are suspecting.

Do you think the Liars should trust Alison?