This Scream Queens Baby Theory Has Pretty Much Been Proven

Say Wes isn't the killer, and Dean Munsch is — or she's in on it. She has assured Wes that Grace isn't in danger — because of course she wouldn't be if she's the baby. Remember: Dean Munsch was there the night the baby was born, and would know more about what happened to the child later. The present-day killing has to be linked with the baby, and whoever is the murderer is out for revenge.