Watch Series: 13 Steps Down Released in (2012) - Season 1 produced by UK, The TV Series categorized in Drama, and content rating 14 with duration 45 min broadcasted as these networks ITV, ITV1, Streamed at Putlocker & directed by Marek Losey. Mix Cellini is obsessed. And not just with the supermodel he's been stalking. He's also endlessly fascinated by the life of Reggie Christie, the infamous serial killer hanged fifty years ago. - Season 1