'How To Get Away With Murder' season 2 spoilers: Rebecca's killer to be unveiled

The cast of How to Get Away with Murder, lead by Viola Davis.

Just when viewers thought that they will get the answers that they have long been waiting for, the season one finale of "How To Get Away With Murder" still posted more questions that will leave them hanging until the start of season 2.

First, fans found out the Frank (Charlie Weber) killed Lila (Megan West). But nobody knows for sure why Frank decided to kill Lila for Sam (Tom Verica).

But the bigger question is, who killed Rebecca (Katie Findlay)?

Early last month, Entertainment Weekly conducted a poll asking readers who they think really killed Rebecca, and the number one suspect happens to be Rebecca's former lover, Wes (Alfred Enoch). This is because Wes was already capable of killing someone after he accidentally murdered Sam for trying to hurt Rebecca.

Also, some fans think that the notorious law professor Annalise Keating (Viola Davis) could have killed Rebecca. It could be her way to avenge her husband Sam's death, since Wes only killed him because of his attempted assault to Rebecca. She also kept the death a secret to Wes.

Yet fans are also excited to find out how Annalise's trusted assistant Frank and Bonnie (Liza Weil) will continue their allies with the lawyer/professor, now that things are started to become more twisted.

When Weil was asked about her character's loyalty to Annalise during an interview in Los Angeles, the actress claimed that she believes Bonnie is loyal to the lawyer.

"I think her main allegiance is with Annalise. Sam probably started out as a bit of a distraction in her work day, the things she is asked to do and how often she is in this house, it can be pretty debilitating."

Weber also said the same about his character, stating: "Frank's loyalty to Annalise is almost blind. She will casually . . . she asks me to commit felonies and I just nod and then say yes and go do it."

"How To Get Away With Murder Season 2" is expected to air later this year.