Murder Maps - Season 5 Episode 9 Mary Pearcey london, england, scotland yard, murder, criminal investigation, forensic science Here we reveal how the notorious killer Mary Pearcey began an affair with her victim's husband, how she inserted herself into the family's life. TitleMurder Maps - Season 5 Episode 9 Mary Pearcey Year2020 GenreCrime, Documentary CountryUnited Kingdom StudioHistoire TV CastNicholas Day Crew Alternative Titles Keywordlondon, england, scotland yard, murder, criminal investigation, forensic science First Air DateSep 08, 2015 Last Air dateFeb 28, 2020 Season5 Season Episode26 Episode Runtime45:14 minutes QualityHD IMDb: 8.40/ 10 by 9.00 users Popularity0.331 LanguageEnglish, French Download Amazon Prime Video 4K Download fuboTV 4K Download Peacock Premium 4K Download Amazon Video HD Download SD Download SD Download SD Download