Jeanne Harrington’s marriage to Michael Gabel was on the rocks. The couple were constantly fighting and instead of talking it out Jeanne took things into her own hands… in more vicious ways.

Delpha Jo Spunaugle, greedy high school teacher, stages her husband’s murder to cash in on his life insurance.

Kim Coleman had a lot going for her - except control of her own emotions. Her idea of loving Brian was completely possessing him. Love would never survive her suspicious mind.

Opal Collins saw a victim in Ben - someone she could dominate and easily control.

Susan Russo was a Navy wife who ran a tight ship. But she had a secret life, and devised a way to profit off her husband’s substantial military life insurance.

They may look sweet, but these Deadly Women are full of spite. Teresa Perez seduces her 70-year-old sugar daddy, but becomes enraged when he won’t leave his wife.

A young Navy recruit falls for a fellow officer, but becomes overwhelmed by jealousy when she learns he is friendly with the mother of his child.

Miranda Barbour was just a teenager when she and newlywed husband Elytte committed the heinous act that led to the vile moniker of "Craigslist Killer".

Some women can’t resist boy toys. But fur flies when these women reveal they're "Killer Cougars.” 39-year-old Dr. Shirley Turner exposes some skeletons in her closet: a history of affairs with younger men all ending in rejection that Shirley could not handle.

Joyce was afraid of her husband finding out she had run his business into the ground.

Some women have short fuses- and when their blood boils, get out of their way.

Rejection was not something that this sociopathic woman could handle.

Murder has no age limit: a grandma’s need to control her grandson takes a deadly turn.

Some women like company when they take a life. Teenage lovers choose each other over the life of a loving grandmother.

These women think their men are worth more dead than alive. A countess clings to her riches through violent means.

When these women have scores to settle, they take matters into their own hands. A traumatized woman thinks she's an avenging angel.

He was a sweet six-year-old boy with his whole life ahead of him, but when these lovers picked him up from school one day, he would see his last days on Earth.

She was broken down by every man who crossed her path, so when Jennifer's lover told her that his wife had to die - Jennifer made sure she did.

In an effort to "save" her children, Andrea Yates ran a bath for her five children and drowned them one by one, committing one of the worst mass killings by a mother on record.

Susan Smith claimed to have been carjacked while driving with her two young children. A week later police discovered that Susan had drowned them in a lake so she could be with a wealthy local man.

In the 1970s, Marie Hilley killed her husband with arsenic. She took on a new identity to escape custody.

Sharon Kinne is a sociopath who murders with no remorse, so when she started her killing spree she decided to begin with her husband.

In Santa Barbara 1978, babysitter Julia Diaz murdered 7-year-old Javier Angel with a hammer in an attempt to extort money from children's parents.

Enlisting the help of children, Gertrude Baniszweski masterminded and facilitated the prolonged torture and mutilation of a teenage girl in her home.

Brandita Taliano was a typical prostitute from Los Angeles, California who wanted to live the high life and when she meets Dennis her problems are solved. Now if his pesky wife would just get out of the way...

Sisters may share a bond but when money is involved, love can turn to hate. Catch an all new Deadly Women, Friday at 10PM only on Investigation Discovery!

In 2008, Penny Boudreau strangled her 12 year old daughter in order to salvage a romantic relationship.

In 2003, Christine Paolilla brutally murdered four youths in Clear Lake, Houston. Among victims were her two best friends.

Christa Pike was a high school dropout who led a troubled life. But in 1995, she became a murderer and the youngest person in the modern era to be sentenced to death.

Sarah was a "Daddy's Girl" who would do anything to continue seeing her dropout boyfriend, even if it meant killing Daddy.

Nicole Kasinskas wanted desperately to live with her new boyfriend. Nicole's mother was opposed to the idea, so the couple decided to kill her.

Miriam Helmick thought men were disposable. Their bank accounts on the other hand, not so much.