'Mark Of A Serial Killer' Is Returning With All-New Episodes Read Now "Mark Of A Serial Killer" returns with episodes about the most disturbing murderers of all time. Catch the series' return on Sunday, October 17 at 7/6c on Oxygen. Most Popular Top Shows The Real Murders of Orange County Killer Siblings Chicago P.D. Dateline: Secrets Uncovered License to Kill Snapped See All Shows On Tonight 8:00 pm Snapped: Behind Bars 9:00 pm The Other Zodiac Special 10:00 pm Dateline: Secrets Uncovered 11:00 pm Dateline: Secrets Uncovered See Schedule Editor's Picks Video Snapped Watch New Oxygen Special 'Snapped Notorious: The Happy Face Killer' Blog True Crime Buzz Oxygen Book Club's October Pick Is Here! Blog True Crime Buzz Who Is Chucky, The Serial Killer Behind The Deaths Of Dozens? Peacock Watch True Crime On Peacock Sign Up For Our Oxygen Insider Club Now! Blog True Crime Buzz Here Are All The Ways You Can Watch Oxygen Across All Your Devices Trending Videos View all View all Watch Oxygen Live! Watch Oxygen live programming! Watch Now Shop Oxygen Now Shop Oxygen-branded gifts. Go Now Share Your Views. Earn Gift Cards. Share your views. Earn gift cards. Go Now Oxygen Crime Stickers Now Available for iOS! With over 25 crime themed stickers, you can be a private investigator in your own group text. Go Now Stream Oxygen On Peacock Stream Oxygen shows on Peacock. Go Now
'Mark Of A Serial Killer' Is Returning With All-New Episodes Read Now "Mark Of A Serial Killer" returns with episodes about the most disturbing murderers of all time. Catch the series' return on Sunday, October 17 at 7/6c on Oxygen.
Oxygen Crime Stickers Now Available for iOS! With over 25 crime themed stickers, you can be a private investigator in your own group text. Go Now
