Signs of a Psychopath

This harrowing half-hour archive series revisits some of the most brutal killers in modern history, reviewing news footage and the words of the killers themselves to see which terrifying traits each killer exhibited. What are the signs...of evil?

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Created By

Status

Returning Series

Original Name

Signs of a Psychopath

First Air Date

August 23, 2020

Last Air Date

September 29, 2025

Seasons

Episodes

Language

English

Production Companies

Red Marble Media

Networks

Investigation Discovery

S10E15

Deviant Desires

A female executive's jog ends in murder. Also, DNA links a frail inmate to The Package Killer, a predator who hid women's bodies in alarming ways. As interrogations unfold, two seemingly ordinary men reveal decades of cold, predatory violence.

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