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Don't Miss Oxygen's 12 Dark Days of Serial Killers!

Don't Miss Oxygen's 12 Dark Days of Serial Killers!

Oxygen's 12 Dark Days of Serial Killers event will include new specials “Catching a Serial Killer: Sam Little” and “Snapped: Notorious Hollywood Ripper,” along with returning series “Mark of a Killer” and “The DNA of Murder with Paul Holes” season finales. The network will run additional serial killer-themed programming throughout the 12-day event with episodes from series such as “Serial Killer with Piers Morgan,” “Dateline: Secrets Uncovered,” “Smiley Face Killers: The Hunt for Justice,” “It Takes a Killer” and more.