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Unknown serial killer in the United StatesIt's the latest addition to the Oxygen Real Crime Lineup, which lets the deathly unveiling a slew of deadly killers like the most notorious people in society, who are little known to the public. Through conversations with law enforcement and the closest victims, the Sixers explore how these murderers can stay under the radar and continue to kill them.

The series debuts in the weekly hourly episodes and premieres on Sunday, May 18 with Carl Watts as its theme. Watts is a murderer with more than 100 victims, marking the first ever serial killer to be released from prison. Cutters airs on PT/ET at 7pm and can be watched on any live TV streaming service with channels, including Fubo, Directv and Hulu+Hulu+Live TV.

New subscribers can watch the premiere for free because Select Streamers offers free trials. Continue reading each option.

At a glance: How to watch Unknown serial killer in the United States Online

How to watch Unknown serial killer in the United States No cables online

Fubo carries oxygen and offers a free 7-day trial that allows new subscribers to watch Unknown serial killer in the United States Free online. After the first month discount, the subscription is $84.99 per month.

The final and main packaging of DirectV contains oxygen. Additionally, DirecTV offers a free five-day trial for its streaming service. Learn more about each plan option on Directv.com, including how to build your own channel lineup (only $34.99 per month).

Watch the premiere Unknown serial killer in the United States A three-day trial for Hulu+ live TV was held for free on the Oxygen True Crime Channel, which is bundled with Disney+ and ESPN+ and starts at $82.99 per month.