Original title
The Devil You Know
Released
9/25/2010
Origin country
CA, US
Genre
Crime, Documentary, Family, Reality
Production companies
Entertainment One, Make Believe Media
Status
Ended
Number of seasons
4
Number of episodes
34
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.
Judith Mawson was happily married to Gary Ridgeway for 10 years. Little did she know that he was the infamous Green River serial killer responsible for the deaths of more than 70 women.
Louise Gallagher had two bright daughters, a lovely home and a successful career. All she needed was a dashing prince. Louise reveals how she was conned into giving up her home, career and children by her lying lover, who led her to believe that the mafia was chasing her.
Whilst young Melissa loved her larger-than-life father, a brutal serial killer cruised the roads looking for new victims. Who really was the man she called Dad?
Barbara Daniels reveals what it was like to be married to Oliver Killeen, a fraudster and bigamist said to have had more than 14 wives.
Ashley Wallace reveals how her mother becomes a suspect after both her father and step father die mysteriously, and talks about the day her mother turned on her.
Shortly after she married respected Admiral John Perry, Barbara found out her husband's life was a lie. Soon, she was fighting for her sanity and, then, her life.
Todd Boczkowski reveals what it was like living with his cruel double-murdering father, who brutally killed both his mum and his step mother.
Barbara Reifel discusses married life with surgeon Michael Mastromarino, who made millions from snatching bodies and selling the organs for transplant.
The daughter of James Carson reveals her horror at discovering that her loving father was one of America's most notorious serial killers.
The unsuspecting wife of serial killer Sean Vincent Gillis tells her shocking story. Gillis killed eight women, and mutilated some of his victims in their home.
The former wife of serial rapist James Bergstrom discusses her abusive marriage. Including her desperate attempts to convince police of her husband's crimes.
Caitlin Atwater's life was shattered when she discovered her stepdad had killed her mother. Then she found out that it wasn't the first time he had killed.
Three brothers face a test of loyalty when they discover not only is their father an armed bank robber but he is wanted by the police.
The wife of Terry Driver reveals her horror at discovering she had married a killer. Driver had brutally murdered a teenage girl in Canada in 1995.
Chip St Clair reveals his horror and confusion at discovering his father, Michael Grant, was a convicted child killer who had been on the run for 26 years.
Dewayne Barrentine reveals how he set a murder investigation into motion when his curiosity about his ex- girlfriend's past turned up a dark secret.
A son discovers that his mother is a con artist of epic proportions, and will stop at nothing to get what she wants. While Kent Walker avoids her evil influence, he fails to protect his younger brother from becoming her lackey in crime--and a deadly killer.
After a bitter divorce, a flight attendant becomes the target of an assassin. Heather Grossman doesn't know what's coming to her.
John Wayne Gacy's sister, Karen Kuzma, discovers her beloved big brother's dark secret. She realizes he is the serial killer that has been stalking teenage boys.
Two sisters believe that their dad is an All-American hero and highly respected arson investigator. Their dreams are crushed when they discover that he is in fact one of the worst serial arsonists of all times.
12-year-old Kim Wohlert helps her mother in committing a crime in 1980. She watches as she shoots her father, and she keeps her terrible secret for 20 years before deciding to bring her mother to justice.
Lori Frazier, the former girlfriend of Anthony Sowell, reveals the shock that she felt when she found out her boyfriend was the Cleveland Strangler.
A waitress, Frankie Cochran, returns home to rural Washington where she falls in love with a handsome farmhand, David Gerard. She is forced to fight for her life when she becomes the victim of a vicious attack at the hands of a predator, who, police believe, is a serial killer.
In 2001, Michael Blagg killed his wife and dumped her body. His six-year-old daughter, who disappeared at the same time, has never been found.
A beautiful psychology student vanishes without a trace in Manhattan. Was her plastic surgeon husband responsible? Her grieving sister, Alayne Katz, believes so, and almost loses hope that justice will ever be served until a grisly discovery is made.
As women are attacked on the streets of Ocala, FL, a young mother begins to have suspicions about her husband. Melissa Fountain's life will be turned upside down when she learns his dark secret.
As young women begin to go missing across the Midwest, police are on the hunt for a twisted serial killer. A confidential informant goes inside a maximum security prison to look for answers.
A sister suspects her troubled brother knows more than he should about women who are missing from the streets of Edmonton. She makes a shocking discovery when she looks inside his hockey bag.
A son supports his father through his cancer treatments, but he discovers something big. His father had been living a double life this whole time.
When a son suspects his dad's new blonde bombshell wife is evil, no one will listen. Even after Jimmy Don Beets goes missing on a fishing trip, there is no police investigation. Years later, the dark truth of what is buried in the widow's garden will be revealed.
A motel owner looks for love online, but finds herself in the midst of intrigue when she meets a doctor involved in a top-secret government project. She becomes suspicious after hearing his wife went missing and begins to suspect that he is hiding a deadly secret.
Simone Tinsley was recovering from a tragic miscarriage when she falls in love with a man who romances her. When three victims are found in a rough area of Philadelphia posed liked dolls, Simone is shocked to discover her lover might be a twisted predator.
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