In 2002, after twenty years of marriage, 44-year-old Susan Polk of San Francisco, called it quits with her husband, 70-year-old Felix Polk.

Today we’re discussing cannibals and vampires. We’ll examine strange cases of predators who drink blood and feast on flesh, and delve into their unique psychology.

By 2004, Lisa Nowak’s friendship with Bill Oefelein had heated up into an extramarital affair. Despite knowing she was risking her marriage and job, Lisa didn’t care. She loved Bill. But when he tried to leave her for a younger woman, Lisa’s love turned into a dangerous obsession.

Today we're looking into the crimes that affect wealthy victims. While we may assume the wealthy are most often the victims of crimes like robbery, in reality, the wealthy are less likely to be victimized than the poor.

All her life, Lisa Nowak dreamt of becoming an astronaut.

What motivates someone to assassinate a President, or their musical hero? Today we’re highlighting three notorious assassinations and the perpetrators behind them.

Bobby ruined every single romantic moment Lisa Connelly had with Marty Puccio. He was always hanging around, saying cruel things and being physically abusive towards anyone that challenged him. So Lisa, Marty and Lisa's best friend, Ali Willis, recruited four more teenagers and together they all set about ridding the world of Bobby Kent for good.

Stars—they’re just like us. So why are we so intrigued by celebrity death, and why is the intrigue amplified when the death is unexpected?

Lisa Connelly and Alice Willis were two Florida teens whose friendship turned homicidal in 1992 as they bonded over their common enemy: Alice’s ex-boyfriend, Bobby Kent.

Dorothea Puente didn’t set out to become Sacramento’s most notorious female serial killer.

Today we're exploring cases of unhealthy relationships and examining some of true crime's most notorious couples. We'll dive into clips from shows across the Parcast Network, and look at how the twisted—often abusive—dynamic between two criminals shapes the crimes they commit.

The Broderick’s bitter divorce unleashed an unpredictable, raging violence in Betty.

Today we're taking a look at what some of the most infamous criminals in history have in common: a brutal childhood. As we dive into clips from shows across the Parcast Network, we'll explore how their early years of abuse, neglect, and trauma all shaped these individuals into notorious offenders.

After discovering her husband’s affair in 1983, Betty Broderick’s perfect world came crashing down. During their protracted divorce, Betty’s behavior became increasingly short and violent—until she ultimately decided to take matters into her own hands.

Today we explore the unique and shocking cases when elders we expect to respect defy society and commit crimes in their old age. We'll dive into clips from shows across the Parcast Network, and discuss all the reasons a senior citizen may defy the norm and break the law.

In 1911, Dr. Linda Burfield Hazzard took her cruel alternative medicine practices to a new level by opening her infamous sanitarium in Washington—which locals would dub "Starvation Heights.” There, Linda continued her abuse and fraud by financially exploiting and starving wealthy British heiresses, Dora and Claire Williamson.

Today we're exploring those rare and hopeful instances where victims managed to break out of their captors' clutches and flee to freedom. We'll dive into clips from shows across the Parcast Network, and discuss all the ways in which a victim might escape and the psychological effects their traumatic experiences might have had on them.

She was a turn-of-the-20th century medical practitioner who preached starvation as a method of curing disease.

Anne Bonny and her lover Calico Jack Rackham tore through the Caribbean together from 1718 to 1720, plundering loot from smaller ships.

Today we're taking a closer look at women who subverted their maternal expectations to lead a life of crime.

She never wanted to grow up. Treva Throneberry did everything she could to delay adulthood,

Today we explore the idea of Psychological Manipulation—the tactics criminals use to deceive, coerce, and exert control over their victims.

By the winter of 1924, Celia Cooney had robbed 10 stores with her husband across Brooklyn. "The Bobbed-Haired Bandit" eventually ran out of luck, only to find that her capture and trial made her a nationwide star.

Also known as the “Bobbed-Haired Bandit,” Celia Cooney and her husband became a media sensation during the winter of 1924 when they pulled off ten robberies in just under three months.

Stories of her exploits on Rum Row in the early 1920s made Gertrude Lythgoe a tabloid darling. As books and article series were published,