Serial Killers

After committing his first three murders, Joseph's struggle with schizophrenia persisted. He couldn't ignore the voices. And by the time he'd done their bidding, 12 people had died, and he’d been given a new nickname: "The .22 Caliber Killer." Learn more about your ad choices. Visit podcastchoices.com/adchoices

Two years before he embarked on a killing spree in Buffalo and New York City, Joseph G. Christopher’s friends and family noticed a seismic shift in his personality. The 23-year-old was beset by mood swings and paranoia. His hold on reality was unraveling. In the end, it would prove fatal.  Learn more about your ad choices. Visit podcastchoices.com/adchoices

Thanks to an unsuspecting benefactor, Duncan gets a fresh start in North Dakota. But his blog entries begin leaving chilling clues as to what lies ahead. In 2005, his violent impulses lead him to Coeur d’Alene, Idaho and his worst crime yet. Learn more about your ad choices. Visit podcastchoices.com/adchoices

A teenage sex offender carried out horrific crimes against young boys in Washington in the late 1970s before being sent to a treatment program, followed by prison. Fourteen years later, Joseph Edward Duncan III was paroled, free to carry out a murder spree that claimed the lives of three kids.  Learn more about your ad choices. Visit podcastchoices.com/adchoices

In the 1970s, after abusing his children and getting away with it, Joseph Kallinger enlists his son in a mission from God that terrorizes the suburbs of Pennsylvania and New Jersey. Learn more about your ad choices. Visit podcastchoices.com/adchoices

The adopted son of cobblers began having hallucinations as early as 15 years old. They were harmless at first — but tragically, they wouldn’t stay that way.  Learn more about your ad choices. Visit podcastchoices.com/adchoices

After years of charming women into getting engaged to him, Henri Désiré Landru had perfected his system of making his fiances, and all of their wealth, disappear. But when the sisters of two of his victims catch on to his ploy, they threaten the whole complex process. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In France, a con man charmed women into getting engaged before robbing them and taking them to his country villa. Where they all mysteriously disappeared. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Numerous childhood traumas led Tsutomu Miyazaki to create a monstrous character in his head named "Rat Man" that eventually took control of his thoughts and actions. "Rat Man" required human sacrifices and his preference was little girls. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In 2010 a serial killer terrorized an area of Philadelphia known as the Badlands. Police swabbed hundreds of men for DNA before a CODIS backlog revealed they’d had what they needed all along. Learn more about your ad choices. Visit podcastchoices.com/adchoices