Spencer and Ian

The whole mystery of Pretty Little Liars is who killed Alison. Currently the four girls think Ali's murderer is Ian Thomas. We got a big shock at the beginning of the series when Melissa, Spencer's sister, married Ian. Now what's gonna happen to Spencer, she's living with Ali's killer! Will he attempt to get rid of her too or is he innocent? We'll have to see what happens on tomorrows all new Pretty Little Liars on ABC Family @ 8/7c.

-A