Scream Queen's bathtub baby and Red Devil killer may not be one in the same.

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Or, if they are, Emma Roberts believes Chanel No. 1 is both.

No one in the cast knows the killers identity, but Roberts feels certain her amoral Queen Bee is at the heart of Wallace U's Kappa Kappa Tau mystery.

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"I think Chanel might be the baby, just because I don't think she's the killer, and I just think Chanel's so important that she has to be the killer or the baby!" Roberts explained to E! Online.

The NBC horror-comedy will shoot it's revealing finale at the end of October, but even that script won't give the actors a hard answer to their queries.

"We'll probably write two or three endings and then we'll put the script out with all of them and then we'll shoot them all," executive producer Ryan Murphy teased, according to E! Online. "We know what it's going to be. [But] No one on the cast knows who the killer is. They can't. The whole point is that they can't know. What I'm trying to do is give them the opportunity to have the greatest performances they can have, and if they know it won't be as good."

Do you think Chanel is the killer, the baby, or both? Sound off in the poll below!

Catch scream Queens every Tuesday at 10 p.m. ET on NBC. Click the video below to see a preview for the series' next episode.

Who do you think Chanel really is?