A made-up bogeyman went viral in 2009, inspiring low-budget web series, video games and fanfiction.

She became the most sought after nurse in eastern Massachusetts.

She became the most sought after nurse in eastern Massachusetts.

After fighting obscenity charges for her stage plays, Mae West went to Hollywood and quickly earned a level of power unheard-of for women in movies.

When one of the most famous entertainers in America couldn’t find another good role, she wrote one for herself.

Facing an ultimatum from her husband, 24-year-old Kristin drugged him with a lethal mix of prescription drugs, then staged his death to look like a suicide.

After a childhood spent striving for perfection in the early '90s, a devastating ballet injury turned Kristin Rossum to drugs.

In February 1887, a man opened a package to find a bloody torso, and police set to work following a trail of clues that led right to Hannah Mary Tabbs — but she knew exactly how to play her cards.

In the late 19th century, Hannah Mary Tabbs used violence to control those around her, directing her cruelty toward family, acquaintances, and even her young lover, Wakefield Gaines.

After an argument in a Days Inn Motel, Yolanda Saldívar shot her boss, beloved Tejana superstar Selena Quintanilla-Pérez, in the back.

From the moment she saw Selena perform, loner and misfit Yolanda Saldívar was obsessed.

On the morning of Friday, June 13th, 1980, suburban housewife Candy Montgomery was confronted by the wife of her ex-lover.

Pretty, perky, and careful to always mind her manners, Candy Montgomery was married with children before realizing she wanted more.

With twin sons, a sprawling mansion, and a blossoming career, Clara Harris had it all—or so she thought.

After pursuing a career that launched her from Colombia to America, Clara Harris met the man who would turn her world upside down.

On June 2, 1972, 20-year old Cathy Kerkow drove to the airport with her boyfriend on a mission to hijack a plane.

Before she hijacked a plane in 1972, Cathy Kerkow was simply a young woman from Oregon with a penchant for risk and scandal.

When Brittany Norwood’s Lululemon coworker was found dead on March 12, 2011, police initially thought Brittany was a victim, too—of a store robbery gone wrong.

Underneath her bubbly exterior, 28-year-old Brittany Norwood lived a secret life that involved thievery, deception, and sugar daddies.

In February 1986, Stephanie Lazarus’ strange visits to her ex-lover’s new wife turned to deadly assault.

She spent the duration of her college years nurturing feelings for a man named John Ruetten.

In the early 1990s, after her mentor, Madam Alex, was thrown in jail, 26-year-old Heidi Fleiss had a decision to make: stay loyal to her former boss, or steal Madam Alex's client list and mount a career of her own.

After a disastrous break-up with a rich older man in 1989, 22-year-old Heidi Fleiss wasn’t ready to give up the luxuries she's grown accustomed to.

Today, we’re discussing Belle Gunness, who murdered husbands, suitors, and even children for financial gain...

Today, we’ll meet Blanche Taylor Moore, the middle-aged churchgoer convicted of poisoning her boyfriend in 1986...