From murderous husbands to money-grabbing wives, lethal love triangles and deadly feuds, uncover chilling cases of people murdered by those close to them.
In a jealous rage, 57-year-old professor George Zinkhan murders his wife, her lover and shoots other members of their amateur theatre troupe.
Brilliant neuroscientist Amy Bishop, 44, shoots three University of Alabama colleagues during a departmental meeting when she is denied tenure.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.