Question: Why would Agnes join Billy in his killing spree? She was a victim of him, losing an eye and her parents. She could've joined the sorority girls in stopping him.
Cody Fairless-Lee
18th Dec 2019
Black Christmas (2006)
Answer: Maybe like him she's also mentally ill, getting it from their mother. Maybe she feels doing this will bring them together.
Answer: Because Agnes is in love with her fatherbrother, and besides, they were invading her home, from her perspective.
ChristmasJonesfan