This series looks at murders that were callously planned and premeditated, with the emergency calls originating from the killer themselves.
8 episodes · April 18, 2016
You can stream 999: Killer On The Line on Amazon Prime Video and Amazon Prime Video with Ads.
No — 999: Killer On The Line has ended.
999: Killer On The Line has 2 seasons and 16 episodes, and first aired in 2016.
999: Killer On The Line holds an average rating of 8.0/10 on TMDB, and it lands best with fans of crime and documentary. Join the discussion below to add your take.
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