The Devil You Know

Season 1 2010

  • 2010-09-26T02:30:00Z on Investigation Discovery
  • 45m
  • 6h 15m (8 episodes)
  • Canada
  • English
  • Documentary, Crime, Family, Reality
THE DEVIL YOU KNOW delves into the secret lives of men and women who masquerade as law-abiding citizens but, behind the charade, are hiding deadly intentions from their loved ones. As each story unfolds, family and friends give first-hand accounts of the unimaginable betrayal that left them in the dark. These harrowing personal testimonials take viewers on a twisted journey as witnesses wrestle with the demons and devils they have come to know all too well.

8 episodes

Series Premiere

2010-09-26T02:30:00Z

1x01 In Bed with the Devil

Series Premiere

1x01 In Bed with the Devil

  • 2010-09-26T02:30:00Z45m

Judith Mawson thought she hit the jackpot when she met Gary Ridgeway. The couple lived an idyllic lifestyle and shared a fondness for the simple things in life, but Mawson's world came crashing down the day police showed up with reason to believe that Ridgeway may be the infamous Green River serial killer. With her husband charged for murdering several prostitutes in the Seattle area, Mawson's initial skepticism faded to disbelief as Ridgeway revealed his true colors.

2010-10-03T02:30:00Z

1x02 Devil in a Pinstripe Suit

1x02 Devil in a Pinstripe Suit

  • 2010-10-03T02:30:00Z45m

Louise Gallagher had two bright daughters, a lovely home and a successful career. All she needed was a dashing prince, Conrad Cini, a brilliant businessman with a habit for deception. He confessed that the mafia was on his tail and wanted to murder Gallagher and her daughters to teach him a lesson. The treacherous activity pushed her to cut off ties with her daughters to keep Cini from destroying their lives, too. In the name of love, Gallagher was suddenly homeless and on the run.

2010-10-10T02:30:00Z

1x03 Daddy Dearest

1x03 Daddy Dearest

  • 2010-10-10T02:30:00Z1h

While the young Melissa loved her larger-than-life father, a serial killer cruised the highways looking for his next victim. Who was the man she called Dad?

2010-10-17T02:30:00Z

1x04 The Wily Widower

1x04 The Wily Widower

  • 2010-10-17T02:30:00Z45m

Barbara Daniels instantly fell head over heels when she met Oliver Killeen. Despite red flags that he wasn't who he said he was, Daniels threw caution to the wind and the two quickly married in a lavish ceremony. The honeymoon ended abruptly, though, when creditors began calling about unaccounted-for wedding expenses and Daniels realized that Killeen was actually a conman and bigamist. Years later, she crusaded to stop Killeen from terrorizing his next wife before it was too late.

2010-10-24T02:30:00Z

1x05 Poisonous Love

1x05 Poisonous Love

  • 2010-10-24T02:30:00Z45m

Tensions were high in Michael and Stacey Wallace's household when he suddenly fell ill and died in 1999. Stacey never grieved her supposed soul mate's death, and she soon remarried. Not much time passed, though, before Stacey's daughters discovered that, like clockwork, their new father had gotten sick and died suddenly of mysterious ailments. Police suspected Stacey had a hand in both deaths, but little did they know she was about to commit the ultimate crime in an effort to frame her daughter.

2010-10-31T02:30:00Z

1x06 Devil in Disguise

1x06 Devil in Disguise

  • 2010-10-31T02:30:00Z45m

Barbara fell in love with a handsome Admiral, but discovers she married a dark stranger. How far will he go to protect his mysterious identity? She might not escape with her life.

2010-11-07T02:30:00Z

1x07 Devil of a Dad

1x07 Devil of a Dad

  • 2010-11-07T02:30:00Z45m

Tim and Elaine Boczkowski were happily running an ice cream shop in Greensboro, N.C., when a horrific car accident left Elaine with a sudden change of heart. Despite separating, the couple kept living together for the sake of their three children, but the plan backfired when Elaine drowned in the bathtub one night. Tim showed little emotion and soon found a new love. Maryann Fullerton clearly adored her stepchildren, but tragedy struck again, landing Tim behind bars and his children on their own for good.

Season Finale

2010-11-14T03:30:00Z

1x08 Devil of a Husband

Season Finale

1x08 Devil of a Husband

  • 2010-11-14T03:30:00Z45m

Barbara thought she married her soul mate when she said "I do" to a successful Manhattan surgeon. When she discovers his dark secrets, her life begins to unravel. Barbara thought she married her soul mate when she said "I do" to a successful Manhattan surgeon. When she discovers his dark secrets, her life begins to unravel.

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