TV Show · Crime · Documentary

A detective tries to outwit one of history's most demented serial killers.

2022 · 1h 28m

Season 1

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About

The Happy Face Killer: Mind of a Monster

Crime

A detective tries to outwit one of history's most demented serial killers.

Information

Studio
Investigation Discovery
Released
2022
© 2021 Discovery Inc.

Languages

Original Audio
English (United States)
Audio

English (United States) , English (United Kingdom)