In astrology, the signs are divided into three modalities; cardinal, which initiates, fixed which stabilizes and mutable which adapts. The majority of serial killers belong not to one specific sign, but to the mutable modality. Here's looking at you Gemini, Virgo, Sagittarius and Pisces. Bear in mind that regardless of the stars we fall under or the dark hands we're dealt as children, free will reigns supreme.