6 episodes
First episode: E1
The Mark of a Killer
Created by: Wendy Greene, Chad Cunningham
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4 episodes
First episode: E1Show FAQ
Quick answers about this series, release status, and episode totals.
When did The Mark of a Killer first air?
The Mark of a Killer first aired on January 20, 2019.
How many seasons and episodes does The Mark of a Killer have?
The Mark of a Killer currently has 2 seasons and 10 episodes.
When is the next episode of The Mark of a Killer?
No official next-episode air date is listed for The Mark of a Killer right now.