In the mid-1800s, after her husband died from alcoholism, Kansas-native Carry Nation developed an interest in the temperance cause.

Today we're discussing "M.O.s", or the "modus operandi" of murderers. We'll talk about the tactics killers use on their victims, and what those methods say about their psyches.

Although she initially seemed eager to help her boyfriend Conrad Roy move past his struggles with depression, in July of 2014 Michelle Carter’s reaction changed.

They began an online relationship in 2012. Over the course of the next two years, through thousands of texts and social media messages, Conrad Roy confided in Michelle Carter his struggles with depression and suicidal ideation.

Today we’re exploring cases of indoctrination. We’ll discuss how cult leaders, secret societies, and kidnappers gain control of their victims and what makes individuals vulnerable to malicious manipulation.

After her attempt in 1975 to assassinate President Gerald Ford failed, Sara Jane Moore was incarcerated. Her contempt for authority ultimately resulted in Moore mounting an audacious prison escape.

Today, we're looking at some of the most fascinating criminal trials in history. We'll see how certain tactics used by attorneys influenced juries, changed outcomes, and provided some of the most unexpected legal twists and turns in recent memory.

In the 1970s, Sara Jane Moore’s activism in San Francisco's radical movement led to her being chosen to work undercover for the FBI.

Today we’re discussing cases of abduction, and examining some of the most infamous kidnappings throughout true crime history.

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.