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Featured Image Credit: Crime+Investigation
I Knew My Murderer - airing on crime channel Crime+Investigation - focuses on the stories of victims killed by people close to home.
"From couples and friends to co-workers and relatives, each episode tells a single story of a deep relationship that turned deadly and of crimes fuelled by jealousy, rage, greed, unrequited love and hatred," reads the show's teasing synopsis.
Alongside murderous husbands and money-grabbing wives, there are also stories of feuds and love triangles, with compelling storytelling throughout the programme.
Shocked viewers will also be shown real-life evidence relating to the crimes, hear from experts about their take on the crimes and relive dramatic re-enactments for a first look at what happened in each case.
Behavioural experts and psychologists will give their insight into the personal motives of the murderer in each case too, while detectives will try to piece together the clues as they hunt for the truth.
The shocking programme kicks off with a double bill tonight. The first episode, Theatre of Blood, tells the story of a jealous professor who shoots his wife, her lover and other members of their amateur theatre group.
Meanwhile, in episode two, Professor of Death, a neuroscientist shoots three of her colleagues when she is denied tenure at the university she works at.
Further episodes focus on a man murdered by his on-off girlfriend using a stiletto shoe, a catfight-turned-murder between two teenage girls when they fight over a boy and a murder mystery weekend that turns nasty.
And, in one shocking episode, we find out the story of 71-year-old Colleen Harris, who kills her husband after finding out he's been having a long distance affair with a 35-year-old in Mongolia.
Episodes one and two of I Knew My Murderer air on Crime+Investigation from 8pm tonight. Further episodes will be shown on consecutive nights on the true crime channel.