+A **serial killer** is an individual who commits a series of [murders](/wiki/murder) over a period of time, often with a "cooling-off" interval between acts. Their motivations are typically psychological, driven by complex urges rather than immediate material gain, making them a subject of intense study in [criminology](/wiki/criminology).
+## See also
+- [Psychopathy](/wiki/psychopathy)
+- [Crime](/wiki/crime)
+- [Victim](/wiki/victim)
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