Signs of a Psychopath (2020)

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?

In India on Discovery+ · Discovery+ via Prime (add-on)

IMDb unavailable · Rotten Tomatoes unavailable

Source checked 2026-10-25T11:21:10.950Z. Seasons, audio and plans may differ.