On February 13, 2017, two Indiana teenagers, Abigail Williams, 13, and Liberty German, 14, went for a walk in the woods near the abandoned Monon High Bridge. They never returned home.

The names of notorious serial killers are usually well-known; they echo in the news and in public consciousness. But most people have never heard of Israel Keyes, one of the most ambitious and terrifying serial killers in modern history American Predator is the ambitious culmination of years of interviews with key figures in law enforcement and in Keyes's life, and research uncovered from classified FBI files. Callahan takes us on a journey into the chilling, nightmarish mind of a relentless killer, and to the limitations of traditional law enforcement.

For his victims, for their families and for the investigators tasked with finding him, the senselessness and brutality of the Golden State Killer's acts were matched only by the powerlessness they felt at failing to uncover his identity. Then, on April 24, 2018, authorities arrested 72-year-old Joseph James DeAngelo at his home in Citrus Heights, Calif., based on DNA evidence linked to the crimes. Amazingly, it seemed, evil finally had a name. Please note: This work contains descriptions of violent crime and sexual assault and may not be suitable for all listeners.

Prosecuting attorney in the Manson trial Vincent Bugliosi held a unique insider's position in one of the most baffling and horrifying cases of the 20th century: the cold-blooded Tate-LaBianca murders carried out by Charles Manson and four of his followers. What motivated Manson in his seemingly mindless selection of victims, and what was his hold over the young women who obeyed his orders? Now available for the first time in unabridged audio, the gripping story of this famous and haunting crime is brought to life by acclaimed narrator Scott Brick.

Two men, each handsome and unusually adept at his chosen work, embodied an element of the great dynamic that characterized America’s rush toward the twentieth century. The architect was Daniel Hudson Burnham, the fair’s brilliant director of works and the builder of many of the country’s most important structures, including the Flatiron Building in New York and Union Station in Washington, D.C. The murderer was Henry H. Holmes, a young doctor who, in a malign parody of the White City, built his “World’s Fair Hotel” just west of the fairgrounds.

In the 1950s, a young Indianapolis minister named Jim Jones preached a curious blend of the gospel and Marxism. His congregation was racially mixed, and he was a leader in the early civil rights movement. Eventually, Jones moved his church, Peoples Temple, to northern California, where he got involved in electoral politics and became a prominent Bay Area leader. But underneath the surface lurked a terrible darkness.

1860: As the clash between the states rolls slowly to a boil, Elizabeth Packard, housewife and mother of six, is facing her own battle. The enemy sits across the table and sleeps in the next room. Her husband of 21 years is plotting against her because he feels increasingly threatened - by Elizabeth’s intellect, independence, and unwillingness to stifle her own thoughts. So Theophilus makes a plan to put his wife back in her place. One summer morning, he has her committed to an insane asylum.

In the pantheon of serial killers, Belle Gunness stands alone. She was the rarest of female psychopaths, a woman who engaged in wholesale slaughter, partly out of greed but mostly for the sheer joy of it. Between 1902 and 1908, she lured a succession of unsuspecting victims to her Indiana “murder farm". Some were hired hands. Others were well-to-do bachelors. All of them vanished without a trace.

At 5:40 a.m. on July 4, 1954, the mayor of Bay Village, a small suburb of Cleveland, Ohio, received a frantic phone call from his neighbor Dr. Sam Sheppard. The news was too terrible to comprehend: Marilyn, Sam's lovely wife, was dead, her face and torso beaten beyond recognition by an unknown assailant who had knocked Sam unconscious and escaped just before dawn. In the adjacent bedroom, Chip, the Sheppards' seven-year-old son, had slept through the entire ordeal. Almost immediately, the police began to suspect Sam Sheppard.

Serial killers: Ted Bundy, John Wayne Gacy, and Jeffrey Dahmer are often the first names that spring to mind. Many people assume serial killers are primarily an American phenomenon that came about in the latter part of the 20th century. But such assumptions are far from the truth. Serial killers have been around for a very long time and can be found in every corner of the globe - and they're not just limited to the male gender either. Some of these predators have been caught and brought to justice whereas others have never been found, let alone identified.

Dulcie Bodsworth was the unlikeliest serial killer. She was loved everywhere she went, and the townsfolk of Wilcannia, which she called home in the late 1950s, thought of her as kind and caring. The officers at the local police station found Dulcie witty and charming, and looked forward to the scones and cakes she generously baked and delivered for their morning tea. That was one side of her. Only her daughter Hazel saw the real Dulcie. And what she saw terrified her.

During the bleak winter of 1692 in the rigid Puritan community of Salem Village, Massachusetts, a group of young girls began experiencing violent fits, allegedly tormented by Satan and the witches who worshipped him. From the girls' initial denouncing of an Indian slave, the accusations soon multiplied. In less than two years, 19 men and women were hanged, one was pressed to death, and over a hundred others were imprisoned and impoverished. This evenhanded and now-classic history illuminates the horrifying episode with visceral clarity.

Louis-Charles, Duc de Normandie, enjoyed a charmed early childhood in the gilded palace of Versailles. At the age of four, he became the dauphin, heir to the most powerful throne in Europe. Yet within five years he was to lose everything. Drawn into the horror of the French Revolution, his family was incarcerated and their fate thrust into the hands of the revolutionaries who wished to destroy the monarchy.

Early in the morning of Monday, July 8, 1895, 13-year-old Robert Coombes and his 12-year-old brother, Nattie, set out from their small, yellow-brick terraced house in East London to watch a cricket match at Lord's. Their father had gone to sea the previous Friday, the boys told their neighbors, and their mother was visiting her family in Liverpool. Over the next 10 days, Robert and Nattie spent extravagantly, pawning their parents' valuables to fund trips to the theatre and the seaside. But as the sun beat down on the Coombes house, a strange smell began to emanate.

On a picturesque street in Sacramento County, California, three healthy saplings stand side by side. But what they symbolize are the deaths of three innocent people - two of them children. The man who took their lives, then planted trees in their honor, was their own husband and father. Hearts went out to Jack Barron when his wife, Irene, died mysteriously in her sleep. Soon after, his two young children were also found dead in their beds. Barron claimed they suffered from the same rare genetic disorder as their mother.