Aries:
The one who tried to comfort the killer but dies

Taurus:
The one who has all the supplies; weapons; food; etc

Gemini:
Sets the trap for catching the killer

Cancer:
Is hiding upstairs from Pisces

Leo:
Guarding the room where Cancer and Pisces are

Virgo:
Tells everyone to keep calm and stay together

Libra:
Tried to diplomatically talk the killer out of murdering everyone

Scorpio:
Goes on a hunt the killer of murdering Aries

Sagittarius:
Gets bored in the beginning and left, comes back in the aftermath

Capricorn:
The Killer

Aquarius:
Disobeys Virgo's rules for sticking together and keeping calm

Pisces:
Is hiding upstairs with Cancer

I don't believe mine cause if I hear something I'm gone. Whoever is a Scorpio you are a true friend. I'm not saying the rest aren't though. Anyway tell my Who you are.