Watch Series: What The Killer Did Next Released in (2019) - Season 1 The TV Series categorized in Crime, Documentary, and content rating TV-MA with duration 42 min broadcasted as these networks Crime & Investigation Network (UK), Sky Crime (UK), Streamed at Putlocker Ian Stewart murdered his partner, children's author Helen Bailey, in 2016. He dumped her and her dog in a septic tank at her Hertfordshire home, but reported her - Season 1