Tell me: Who is it?
said Megan Ketch (Tessa Ross) when she stopped by the EW lounge at San Diego Comic-Con Thursday.
Its her, joked Justin Chatwin (Cam Hawthorne), pointing to Ketch.

Everyone had a moment where [they asked], What if Im the killer?
And Im not playing that note that Im the killer?'
So we would all at a certain point in a scene give that Im-a-killer look.
Somebody had to spell it out for me, said Chatwin.
Ketchs discovery process was completely opposite.
I had suspicions of this particular character, she confessed.
I will give myself a little pat on the back for that.
But only in the middle of episode 12 did it sort of concretize for me.
The duo also discussed Phyllis (Lorna Wilson) questionable behavior and Cams hallucinations.
Find out what they had to say in the video above.
American Gothicairs Wednesdays at 10 p.m. Entertainment Weekly is on the scene at San Diego Comic-Con.
Go inside with all our coverage, availablehere.