Every season of I Knew My Murderer ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of I Knew My Murderer!

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

Theatre of Blood

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

Professor of Death

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.

Murder in Miami

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.

The Stiletto Killer

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.

Killer With a Badge

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.

Lesbian Love Triangle

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.

Bloody Birthday Cake

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.

Killer Cat Fight

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.

The Not-So-Good Wife

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.

Dinner Theatre Death

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.

Murder Under the Christmas Tree

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.

Shot in the Back

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.

Grandma's Revenge

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.

Then No One Can Have Them

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.

Killer Assistant

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.

Black Widower

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.

She Killed for a Sex Change

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.

Black Widow

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.

The Best Seasons of I Knew My Murderer

The Best Seasons of I Knew My Murderer

Season 1