Physical Evidence Is Uncovered In The Peter Tobin Case

Authorities uncover a knife with human skin on it which could reveal whether or not Peter Tobin is a serial killer.

Season 1 Episode 2 - Videos

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Physical Evidence Is Uncovered In The Peter Tobin Case

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Physical Evidence Is Uncovered In The Peter Tobin Case

Season 1 Episode 2 - Videos

Trending on Oxygen

Accident, Suicide, or Murder: Nevada Police Recall Responding To Peter Bergna’s 911 Call

Accident, Suicide, or Murder: Was Peter and Rinette Bergna’s Car Accident Actually A Murder?

Killer Couples: Nick Godejohn Spent 'Magical' Days With Gypsy Rose Before The Murder

"Friendly, Brilliant" Dawn Viens' Surprising Qualities

3 Teacher/Student Sex Scandals

The Different Sides of Nicholas Godejohn

The Strained Relationship of Dawn and David Viens

Joseph Campbell and Tim Newman's Dark Feud

Tynesha Stewart's Sister Reminisces About Her Sister's Pure Heart

Luka Magnotta and the Murder of Jun Lin

Kristi Johnson Lured by Fake "Bond Girl" Audition

Jake Wagner’s Secretive Home Life

Your First Look at Prosecuting Evil with Kelly Siegler

Your First Look at Fatal Family Feuds Season 1

Neighbor Recalls Tim Newman's Shooting Death

Small Southern California Town Rocked by Missing Person

Kelly Siegler Visits Wig Shop Attack Survivors

The Killing of Jessica Chambers: Laqunta Tellis Explains Her "Eric" Tattoo