Watch Series: The Devil You Know Released in (2010) - Season 4 produced by CA, USA, The TV Series categorized in Crime, Documentary, and content rating Documentary, Crime with duration 45 min broadcasted as these networks Investigation Discovery, Discovery, Streamed at Putlocker & directed by Lynn Booth, Mary Bissell, Bonny Lou Wagner, Jennifer Little. The program explores stories of crime mysteries and secret lives of men and women who are supposedly law-abiding citizens but in reality are people with deadly intentions causing pain to their loved ones. The show interviews members of families and friends of those affected and presents first-hand accounts on lives of people who have been betrayed and hurt by these criminals. - Season 4