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I Knew My Murderer

2020 ★ 0.0 1 season 18 eps TV-MA

Crime

Documentary

Mystery

This true crime series investigates shocking cases of people murdered by those close to them. 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. Chilling cases involve murderous husbands and money-grabbing wives, lethal love triangles and deadly feuds.

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Where to watch I Knew My Murderer

I Knew My Murderer is available to stream on Nabby via 6 verified sources, aggregated from publicly available embed providers. The crime has 1 season and 18 total episodes, rated 0.0/10 by — viewers. New episodes are still airing.

Last verified: October 13, 2026 · Source: TMDB

Episodes 18 total across 1 season

18 episodes20203 watched

Theatre of Blood✓

In a jealous rage, 57-year-old professor George Zinkhan murders his wife, her lover and shoots other members of their amateur theatre troupe.

Professor of Death✓

Brilliant neuroscientist Amy Bishop, 44, shoots three University of Alabama colleagues during a departmental meeting when she is denied tenure.

Murder in Miami✓

While her 10-year-old daughter listens upstairs, self-styled failed self-help guru Derek Medina shoots his wife during an argument in the kitchen, then casually posts pictures of the dead woman on Facebook.

The Stiletto Killer✓

After a night of drinking, 45-year-old Ana Trujillo bludgeons her on-again-off-again lover Stefan Andersson to death with a blue suede stiletto shoe.

Killer With a Badge✓

Failed patrol officer Tracy Fortson, 33, shoots her boyfriend Douglas Benton as he sleeps, then abandons his body in a cement filled horse trough in the woods.

Lesbian Love Triangle✓

Nicole Abusharif, 26, murders her wife Rebecca Klein for the insurance money, then leaves her body in the trunk of her mustang for a night of drinking and bowling with her young lover Rose.

Bloody Birthday Cake✓

Law student Adrienne Hickson fatally stabs her boyfriend Shawn Washington with the knife for her birthday cake when he helps his friends move instead of spending her birthday with her.

Killer Cat Fight✓

Rachel Wade, 19, stabs 18-year-old Sarah Ludeman to death in a vicious teen girl cat fight over shared bad boy boyfriend Josh Camacho.

The Not-So-Good Wife✓

Religiously submissive "good wife" Mary Winkler shoots her abusive preacher husband Matthew Winkler as he sleeps, and then flees to Alabama for a day at the beach with her children.

Dinner Theatre Death✓

Wanting to collect on his life insurance, 33-year-old Kimberly Hricko poisons her 35- year-old husband Stephen on a romantic murder mystery weekend, then sets fire to the hotel room to hide the evidence.

Murder Under the Christmas Tree✓

Freeloader Patty White beats and strangles former roommate, kindly older Michele O'Dowd, in a clumsy attempt to rob her; then attempts to hide her crime by burying the victim in Christmas presents.

Shot in the Back✓

After years of physical abuse, Karra Trichele Allen claimed self defense when she shot her good ol' boy husband Brian, despite the fact it was twice in the back.

Grandma's Revenge✓

71-year-old Colleen Harris shot her sleeping 73-year-old husband Robert Harris after she stewed for months about the long distance affair he was having with a 35 year old woman who lived in Mongolia.

Then No One Can Have Them✓

Adam Mayes murders his best friend's wife Jo Ann and her daughter Adrienne, before kidnapping her other daughters in a twisted obsession with the two young girls.

Killer Assistant✓

Personal assistant Natavia Lowery, viciously bludgeoned to death her boss, celebrity real estate broker Linda Stein, after Linda found out Natavia was stealing money from her.

Black Widower✓

Over the course of two decades, black widower Robert Spangler murders two wives and two of his children in order to free himself to remarry.

She Killed for a Sex Change✓

Nicole Vonlee Titlow, 33, needed money for a sex change, so after taking up with a 74 year old self made millionaire and his wife, Billie, she helped Billie smother him with an eye to a share of the inheritance.

Over the years, Betty Lou Beets murdered two husbands and drove over a third, burying one under the patio stones and the other under an ornamental wishing well he dug out for her.

Frequently asked

How many seasons does I Knew My Murderer have?

I Knew My Murderer has 1 season with 18 episodes in total.

Is I Knew My Murderer still on the air?

I Knew My Murderer is currently in production and returning for new episodes.

When did I Knew My Murderer first air?

I Knew My Murderer first aired on July 6, 2020.

Cast

Cheryl Arutt

Cheryl Arutt

Self

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