Killer Psyche

Killer Psyche

When a shocking crime occurs, people ask “Why?” Was it about power, ego, or revenge? On Killer Psyche, retired FBI agent Candice DeLong draws on her decades of experience to reveal why these murderers and criminals committed these heinous acts. She will reveal fascinating new details about what drove these people, including cases she was close to. Candice will share specific psychological methods and profiling techniques that experts use to understand the deepest part of the most complex, fascinating, and twisted minds, from the Unabomber to Alex Murdaugh to Mary Bell. Winner of the 2025 Bronze Signal Award for True Crime podcasts. Need more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Join Wondery+ in the Wondery App, Apple Podcasts, or Spotify. Start your free trial by visiting http://link.wondery.com/KillerPsycheLinks now.

Episodes

October 28, 2025 48 mins

Retired FBI agent and criminal profiler Candice DeLong dives into the murders of 14 year-old Libby German and 13 year-old Abigail Williams. After five years, Richard Allen has been arrested for the "delphi murders." Candice also speaks with journalist Susan Hendrix, who covered the case and has written a new book about it entitled, "Down the Hill: My Descent into the Double Murder in Delphi."

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In part 2 of this 2 part episode, former FBI agent and criminal profiler Candice DeLong discusses how she joined the FBI and started as a profiler. 

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October 14, 2025 38 mins

In part 1 of this 2 part episode, former FBI agent and criminal profiler Candice DeLong discusses how she joined the FBI and started as a profiler. She revisits some of the cases that impacted her early career, and the lessons she's learned along the way.

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In the second episode of our two-parter, retired FBI agent and criminal profiler Candice DeLong continues the case of Sante and Kenneth Kimes, a mother-son duo whose criminal exploits shocked the nation. Candice digs deeper into the complicated and potentially incestuous relationship between mother and son, and how their dynamic contributed to their cycle of grift and murder.

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Retired FBI agent and criminal profiler Candice DeLong walks us through the sinister activities of Sante and Kenneth Kimes, a mother-son duo whose criminal exploits shocked the nation. They were jailed for, among other crimes, the murder of 82 year old Irene Silverman in 2000, after Sante plotted to kill her to take ownership of her Upper East Side mansion. Candice explores the complicated and potentially incestuous relati...

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In the second half of this two-parter, former FBI agent and criminal profiler Candice DeLong digs into the case of Harold Frederick Shipman: The Original Dr. Death. A prominent doctor in the UK during the late 1990s, Dr. Shipman murdered at least 230 of his patients, mostly elderly women. Candice examines the factors that could have made a man that was sworn to do no harm, take so many lives. 

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In the first half of this two-part episode, former FBI agent and criminal profiler Candice DeLong digs into the case of Harold Frederick Shipman: The Original Dr. Death. A prominent doctor in the UK during the late 1990s, Dr. Shipman murdered at least 230 of his patients, mostly elderly women. Candice examines the factors that could have made a man that was sworn to do no harm, take so many lives. 

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September 9, 2025 44 mins

In the second half of this two-parter, former FBI agent and criminal profiler Candice DeLong digs deeper into the crimes of Brian Dugan. Having worked on this case personally, Candice's inside knowledge brings a unique perspective to this murderer.

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September 2, 2025 50 mins

In the first half of this two part episode, former FBI agent and criminal profiler Candice DeLong revisits the crimes of Brian Dugan. Having worked on this case personally, Candice's inside knowledge brings a unique perspective to this murderer.

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August 26, 2025 42 mins

In the second half of this two-part episode, former FBI agent and criminal profiler Candice DeLong continues to explore the case of Richard Loeb and Nathan Leopold, two young men who murdered 14-year-old Bobby Franks. 19-year-old Nathan and 18-year-old Richard sought to commit what they called ""the perfect murder."", In this episode, Candice focuses not only on the the murderers' psyche, but also on the role psychiatry pl...

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August 19, 2025 37 mins

In the first half of this two-part episode, former FBI agent and criminal profiler Candice DeLong explores the case of Richard Loeb and Nathan Leopold, two young men who murdered 14-year-old Bobby Franks. 19-year-old Nathan and 18-year-old Richard sought to commit what they called "the perfect murder." Candice dives deep into the psyches of the two men who perpetrated one of the most sensational crimes of the 20th century.

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August 12, 2025 53 mins

In the second half of this two-parter, former FBI agent and criminal profiler Candice DeLong digs deeper into the case of Cindy White. We learn the real reasons that 18 year old Cindy White set the fire that took the lives of 6 people, including four children. Using both court documents and her own interviews with Cindy, Candice delves into what could have driven Cindy to commit this deadly crime - and the miscarriage of j...

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August 5, 2025 37 mins

In the first half of this two-parter, former FBI agent and criminal profiler Candice DeLong digs into the case of Cindy White. 1n 1975, 18 year old Cindy set a fire that took the lives of 6 people, including four children. Using both court documents and her own interviews with Cindy, Candice delves into what could have driven Cindy to commit this deadly crime.

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In the first half of this two-part episode, former FBI agent and criminal profiler Candice DeLong digs into the case of Susan Polk. When she was just 15, a troubled and lonely Susan sought the help of a psychologist named Dr. Felix Polk. Instead, she wound up marrying her therapist, and eventually, killing him. In part one, we learn about the history that drew Susan to her future husband, and what set them both on the...

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July 22, 2025 48 mins

In the season finale of Killer Psyche, retired FBI agent and criminal profiler Candice DeLong dives into the infamous case of David Berkowitz, the “Son of Sam.” Between 1976 and 1977, Berkowitz wreaked havoc on the boroughs of New York with a string of shootings that took the lives of six people and wounded several others. Even more shocking was his motive: a demonic dog told him to kill. But was David Berkowitz truly psyc...

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Retired FBI agent and criminal profiler Candice DeLong sits down with bestselling author Michael Connelly and veteran LAPD detective Mitzi Roberts to discuss Ballard, the new Prime Video series expanding Connelly’s gritty “Harry Bosch” universe. The show’s lead, Renee Ballard, is inspired by Mitzi’s real-life work tracking down killers – like the infamous Samuel Little – and shaped by her decades-long career on the force. ...

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Retired FBI agent and criminal profiler Candice DeLong speaks with Wall Street Journal national affairs reporter and New York Times bestselling author Valerie Bauerlein to discuss the whirlwind case of Alex Murdaugh. In 2023, Alex – a respected attorney and patriarch of the ultra-powerful Murdaugh family dynasty – was convicted of murder in the deaths of his wife, Maggie, and his son, Paul. Candice and Valerie discuss what...

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Retired FBI agent and criminal profiler Candice DeLong delves into the heartbreaking case of Andrea Yates. On a summer morning in 2001, inside the quiet Houston home she shared with her family, Andrea systematically drowned her five young children in the bathtub. Candice examines how untreated postpartum psychosis, religious delusions and years of mental health warnings culminated in this unimaginable act. She explores how...

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Retired FBI agent and criminal profiler Candice DeLong explores the chilling case of Gertrude Baniszewski. In the fall of 1965, behind the walls of her modest Indiana home, Gertrude masterminded the systematic torture and murder of teenage Sylvia Likens – encouraging her own children and neighborhood kids to join in the abuse. Candice investigates how Gertrude’s simmering resentment and deep-seated rage transformed her int...

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Retired FBI agent and criminal profiler Candice DeLong explores the case of Harry Thaw, the wealthy heir who gunned down architect Stanford White in front of hundreds of witnesses. The motive? A toxic mix of jealousy and vengeance over Thaw’s wife, Evelyn Nesbit, a young model and actress who had been sexually assaulted by White years earlier. The case ignited a national scandal, revealing a world of exploitation, obsessio...

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