When Charlie confronts Marge with his shotgun, she kills him with a hook. There's a delayed reaction after he is impaled.
Micki and Ryan present themselves as a married couple, but no one comments on the fact that they take separate rooms at the Longacre Inn.
Ryan tells Marge that Tudy's death was an accident. She was decapitated with no sign of a blade, on Marge's porch, and her head is gone. That wouldn't be an accident.