Pretty Little Liars may have a central question in "Who is 'A'?," but the series tends to divert with other mysteries along the way. So, what did PLL writer Bryan Holdman call “the question of the season”?

Those looking for a quick resolution to the answer of who killed Wilden and how Hanna’s mom is involved may have to wait a while — like, a season’s worth. Bryan called the question “Did Ashley kill Wilden?” the central question of Season 4. If it’s the big question of the season, we probably won’t be getting definitive answers in the “What the hell is up with Ashley Marin?” department anytime soon.

Ashley Benson’s tease that we would be hating Ashley Marin (Laura Leighton) in Season 4 is starting to look more and more possible. We still adore Mama Marin, but if she keeps shutting Hanna out, we can imagine getting pretty P.O.ed pretty quickly. We just hope Ash gets her act together before Caleb skips town for Ravenswood because, right now, Hanna’s BF is the only non-Liar in her life to talk straight. A parental figure who is not freaking out about possibly killing a member of Rosewood’s “finest” might be handy to have around when the Ravenswood split goes down.

Do you think Ashley killed Wilden? Are you willing to wait an entire season to find out? Let us know in the comments below!

Catch the next episode of Pretty Little Liars on Tuesday, July 2, 2013 at 8 p.m. ET/PT on ABC Family.