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.
| Created By | Lynn Booth | |
|---|---|---|
| Status | Ended | |
| Original Name | The Devil You Know | |
| First Air Date | September 25, 2010 | |
| Last Air Date | November 16, 2013 | |
| Seasons | 4 | |
| Episodes | 34 | |
| Episode Runtime | 0min | |
| Language | English | |
| Original Language | English | |
| Production Countries | Canada, United States of America | |
| Production Companies | Make Believe MediaEntertainment One | |
| Networks | Investigation Discovery | |