999: Killer On The Line
2016 - 2018| 2 seasons| IMDb 5.5
Watch 999: Killer On The Line (2016) for free in the UK on Pluto TV, or with a subscription on Crime+Investigation. Last updated 20 January 2026.
True crime series revealing the stories of murderers who called 999, reporting the murder as a tragic accident, a home invasion or the work of an anonymous attacker.
Streaming info last checked: 20 Jan 2026