Editor’s Note: This story contains discussions of rape or sexual assault that may be disturbing. Reader discretion is advised. If you or someone you know has been sexually assaulted, you can find help and discreet resources on the National Sexual Assault Hotline website or by calling 1-800-656-4673.

(NewsNation) — Serial killers have always been a subject of interest. How do their brains work? What motives do they have? And how common are they, really?

According to Britannica, a serial killer is a person who kills at least two people in different events at different times. PsychologyToday says that while motives aren't always clear, typically serial killers will share "abnormal psychological processes." This can include having an extreme tendency to be antisocial.

Despite Britannica's d

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