Mark of a KillerPlayPLAY2PLAY3PLAY47.42019The macabre rituals of serial killers are examined. Show CastHide CastEpisodesSeason 1Season 2Season 3Season 41Posed to KillPLAYPLAY2PLAY32The Last Call KillerPLAYPLAY2PLAY33An Eye for MurderPLAYPLAY2PLAY34Pattern of MurderPLAYPLAY2PLAY35Momentos of MurderPLAYPLAY2PLAY36An Appetite for MurderPLAYPLAY2PLAY3More Like ThisTerror in the Woods7.1Tattoo Age7.6Sunshine7.5Suburra – La serie7.9Strike7.9Street Science6.5Street Justice: The Bronx9.0Spy in the Wild7.9Snowfall8.4Snatch6.9Sin City Justice7.4Sick Note6.7