Here's some scoop on Riverdale from Entertainment Weekly's Natalie Abrams' The Spoiler Room column, which was posted on 4/14/17.
Was Alice a former Southside Serpent on Riverdale? — Derek
We will get more insight into that soon, but it sounds like a definitive reveal will have to wait. “We just started the writers’ room for season 2 and we’ve been talking about that a lot,” EP Roberto Aguirre-Sacasa says. “What we learn in this episode is she’s from the Southside, but stepped out of it and cleaned herself up and became the perfect [mother]. We’re going to explore much more about what Alice’s backstory is both in this season and in season 2.”
Link to the full article:Spoiler Room: Scoop on 'Once Upon a Time,' 'Westworld,' 'Agents of S.H.I.E.L.D.' and more