Serial killers are categorized by motivation. Visionary killers believe they are being “ordered” to commit murder by God or another entity; these killers may have schizophrenia or experience a ...

The female serial killer's most common motive for killing was financial and power gain, according to Harrison. Yaksic also ...

Historians argue that serial killers have existed throughout history. In ancient and medieval times—long before the concept of a “serial killer” entered popular parlance—such murders were ...