

Killer Psyche
Wondery | Treefort Media
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
Mentioned books

Feb 25, 2025 • 52min
Shelly Knotek: Mother, Manipulator, Murderer
Retired FBI agent and criminal profiler Candice DeLong delves into the chilling case of Shelly Knotek, a woman who hid monstrous cruelty behind a facade of kindness. For years, Shelly inflicted years of abuse, control, and torture on her own family and friends – completely undetected. Candice unpacks the psychological tactics Shelly used to break her victims, the horrifying extent of her abuse, and how the shocking truth finally came to light, ending years of unchecked brutality.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Feb 18, 2025 • 42min
John Wilkes Booth: The Assassin of President Abraham Lincoln
Retired FBI agent and criminal profiler Candice DeLong dives into the infamous case of John Wilkes Booth. Once recognized for his charm, good looks, and talent, Booth cemented himself in history when he shot and killed Abraham Lincoln in 1865 – becoming the first person to ever assassinate an American president. Candice examines how a promising actor became a cold blooded killer, and explains how radicalization and a thirst for fame played a role in his deadly actions.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Feb 11, 2025 • 53min
Andrew Cunanan: The Versace Killer
Retired FBI agent and criminal profiler Candice DeLong examines the case of Andrew Cunanan. In 1997, Cunanan infamously murdered iconic fashion designer Gianni Versace at his Florida mansion. But months before the crime shocked the world, Cunanan had killed at least four men across the country – landing him on the radar of the FBI. Candice explores how Cunanan’s pursuit of wealth and flair for the dramatic spiraled into instability, and discusses how he used murder to make a mark on the world.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Feb 4, 2025 • 50min
Linda Hazzard: The "Starvation Doctor"
Retired FBI agent and criminal profiler Candice DeLong dives into the case of Linda Hazzard, also known as the “Starvation Doctor.” Deluded by her belief that fasting cures all diseases, Hazzard killed at least 14 people in the 20th century by subjecting them to fatally restrictive diets. And when her patients were on the wealthier side, she used their physical weakness to her financial advantage. Candice explores how a childhood sickness might have contributed to Hazzard’s harmful health beliefs, and explains how a mix of greed and narcissism emboldened her to starve people to death.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 28, 2025 • 52min
Robert Durst: From Millionaire to Murderer
Retired FBI agent and criminal profiler Candice DeLong explores the case of Robert Durst, the infamous New York real estate heir turned convicted killer. From the disappearance of his wife to the gruesome murder of one of his neighbors, mystery and death seemed to follow Durst wherever he went – and somehow, he always managed to keep suspicion at bay. But that all changed when Durst himself decided to tell his own story in the HBO show The Jinx, unknowingly bringing his dark secrets into the spotlight, and ultimately, to justice. Candice examines how a desire for control and an unhealthy dose of narcissism led to Durst’s downfall.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 21, 2025 • 52min
Harvey Glatman: The Glamour Girl Slayer
Retired FBI agent and criminal profiler Candice DeLong examines the case of Harvey Glatman, also known as the “Glamour Girl Slayer.” In the late 1950s, Glatman lured aspiring models to him by posing as a true detective magazine photographer. But Glatman was no photographer – he was a dangerous predator who lied and manipulated his way into killing three women. Candice explores how Glatman’s early deviant behaviors escalated over time, and how his sadistic crimes became some of the most infamous in Los Angeles history.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 14, 2025 • 54min
Nancy Kissel: The Milkshake Murderer
Retired FBI agent and criminal profiler Candice DeLong dives into the case of Nancy Kissel, also known as the “Milkshake Murderer.” In 2003, Nancy brutally murdered her wealthy banker husband, Robert, after having her own daughter give him a sedative-laced milkshake. What followed next was a web of lies and a botched cover-up of the crime that shocked friends, family and the expat community of Hong Kong that Nancy and Robert had been a part of for several years. Candice examines how greed, infidelity and resentment brewed inside Nancy, leading her to do the unthinkable – and attempt to lie her way out of responsibility.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Jan 7, 2025 • 50min
Charles Manson: His Mind and Motivations
Retired FBI agent and criminal profiler Candice DeLong examines the case of Charles Manson. In 1969, Manson orchestrated the infamous Tate-LaBianca murders in Los Angeles, California – using his influence over young, vulnerable followers to commit horrific crimes on his behalf. Fueled by his outlandish beliefs and behavior, he became one of the most frightening figures in true crime. But what was really going on in the mind of Manson? Candice explores how constant rejection in Manson’s life could have led him to criminal infamy, and how he used fear and control to embolden his own twisted perception of the world and people around him.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dec 31, 2024 • 44min
ENCORE: The Rescue
Former FBI agent and criminal profiler Candice DeLong digs deeper into the case of the Anthrax Murders and the involvement of suspect Dr. Bruce Ivins, a microbiologist for the Army’s biodefense laboratory.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dec 24, 2024 • 55min
Luigi Mangione: Unraveling the Alleged United Healthcare CEO Assassin
In this special episode, retired FBI agent and criminal profiler Candice DeLong digs into the case of Luigi Mangione, the man accused of shooting and killing UnitedHealthcare CEO Brain Thompson. Candice breaks down what we know so far – from the morning of the deadly shooting to the moment of Mangione’s arrest – and gives her analysis of what could have caused a wealthy Ivy league grad to eventually become an alleged killer. Also, listen as Candice explores the psychology behind the viral reactions to the murder – and the growing social media support for the suspect himself. Candice is also joined by legal analyst Josh Ritter, who discusses the next steps in Mangione’s legal proceedings and the mounting evidence in this case.Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletterNeed more Killer Psyche? With Wondery+, enjoy exclusive episodes, early access to new ones, and they’re always ad-free. Start your free trial in the Wondery App or visit wondery.app.link/TI5l5KzpDLb now.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.


