Bustle reports that a Gemini's communication skills can help talk their way into a victim's life. In addition, their duality helps them live a double life and aid in hiding their crimes from others. As Ranker states, some family members of serial killers don't even know that they're committing crimes. With their quick wit, Geminis can come up with excuses easily and perhaps lure victims in this way. As they are easily bored, this could lead them to keep murdering (via Thought Catalog). Moreover, Geminis love being the center of attention and most have superiority complexes. Simply put, this could make them believe they'll never get caught, and the infamy could boost their ego. As Geminis are known to be incredibly adaptable, they could seamlessly change their plans in order to commit a crime.
That being said, it takes more than being born under a certain star sign to become a serial killer. According to Psychiatry Advisor, both biological and social factors contribute to the creation of a murderer. In other words, it's both nature and nurture. Despite this, it's still up for debate if genetic investigations can predetermine if someone will be a killer or not. Per Oxygen, though the public is fascinated by serial killers, they only make 1% of homicides each year.
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