Countries (outside of the US)

Australia, Belgium, Brazil, Canada, Germany, Spain, France, Great Britain, Hong Kong, India, Italy, Japan, South Korea, Mexico, The Netherlands, Poland, Singapore, Turkey, South Africa

Available Languages (Netflix)

English, French, German, Korean, Spanish

Available Subtitles (Netflix)

English Spanish, Korean, Simplified Chinese, Traditional Chinese,

Seasons

Season 1

In the early 2000s, Yoo Young-chul hammered his victims to death and cast fear across Seoul. This docuseries recounts the hunt for a prolific killer.

Episodes

New Breed of Killer - 2021

Violent killings target wealthy victims around the city. Matching footprints found at each scene suggest a serial murderer on the loose.
- Oct. 22, 2021, 4 a.m.

Killing Grounds - 2021

A report about missing sex workers leads to Yoo Young-chul's arrest. Under interrogation, he confesses, but detectives aren't sure what to believe.
- Oct. 22, 2021, 4 a.m.

The Hammer Comes Down - 2021

As Yoo's victims are found buried and mutilated, a media storm descends upon the case. In need of tangible evidence, police head to his apartment.
- Oct. 22, 2021, 4 a.m.