

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

Dec 23, 2025 • 35min
Ask Candice Anything: Part 1
In the first half of this two-part episode, retired FBI agent and criminal profiler Candice DeLong answers questions from listeners all about the human psyche and her time as a psychiatric nurse.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Dec 16, 2025 • 39min
Brynn Hartman & the Murder of Phil Hartman
Retired FBI agent and criminal profiler Candice DeLong examines the heartbreaking murder-suicide of Phil and Brynn Hartman, whose seemingly charmed life masked a growing storm. Within their home, Brynn battled addiction, insecurity and a fragile sense of identity that increasingly threatened the stability of their marriage. As tensions mounted, emotional volatility turned dangerous, culminating in a night of irreversible violence. Candice explores the psychological fractures that led Brynn to kill the man she loved, and how their relationship became a chilling example of what can happen when untreated turmoil meets opportunity for harm.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

16 snips
Dec 9, 2025 • 42min
Gwendolyn Graham & Cathy Wood: The Lethal Lovers
Dive into the chilling case of Gwendolyn Graham and Cathy Wood, whose romance took a dark turn in a Michigan nursing home. These 'Lethal Lovers' bonded over the suffocation of vulnerable patients, marking a bizarre fusion of affection and violence. As their toxic relationship escalated, their motives twisted into a deadly game of control and desire. Explore the psychological dynamics at play, from confessions to trials, and the haunting aftermath of their actions in the community.

10 snips
Dec 2, 2025 • 47min
Elliot Rodger: The Killer Incel
A retired FBI agent delves into the tragic case of Elliot Rodger, exploring his journey from social isolation to a violent rampage in Isla Vista. The discussion reveals how online communities fueled his resentment and extremist beliefs. Key topics include Rodger's autism diagnosis, his obsession with women, and the role of entitlement in his mindset. The failures of authorities to intervene, the chilling details of the attack, and the implications of incel ideology are critically examined. This case underscores the dangers posed by alienation and misogynistic extremism.

20 snips
Nov 25, 2025 • 48min
Katherine Knight: Australia's "Cannibal Killer"
Dive into the chilling case of Katherine Knight, Australia's notorious 'Cannibal Killer.' Discover the shocking details surrounding the gruesome murder of John Price, as terror transformed into tragedy. Explore Knight's tumultuous life filled with jealousy and rage, leading to an explosive climax when her partner tried to leave. Unpack the role of childhood trauma in shaping violent behaviors, and witness the aftermath of her horrendous acts in court. This gripping tale reveals the depths of human darkness and the consequences of unchecked violence.

18 snips
Nov 18, 2025 • 47min
Ali Abulaban: The TikTok Murderer
Dive into the chilling tale of social media influencer Ali Abulaban, who transforms from TikTok star to notorious murderer. The podcast explores his disturbing jealousy and obsession with control, leading to the brutal killings of his estranged wife and her friend. Candice DeLong dissects how Ali's early life experiences, coupled with the pressures of online fame, twisted his identity. With shocking recordings and insights into trauma bonding, this gripping narrative reveals the dark side of digital personas and the dire consequences of seeking validation.

Nov 11, 2025 • 48min
Ed Kemper: The Co-Ed Killer
Retired FBI agent and criminal profiler Candice DeLong explores the disturbing case of Ed Kemper, known as “The Co-Ed Killer.” In the early 1970s, young women began vanishing from the streets of Northern California. When the truth finally came to light, it revealed a killer unlike any other: a towering, soft-spoken man whose charm and intellect hid monstrous impulses. By the time he was caught, eight people – including his own mother – were dead. Only later would investigators learn that Kemper’s knack for violence began years earlier. Candice examines how deep resentment, emotional isolation, and a fractured relationship with his mother fueled one of the most chilling killing sprees of the decade, and how his later cooperation with the FBI helped shape modern criminal profiling.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.

Nov 4, 2025 • 49min
Bryan Kohberger: A Definitive Deep Dive
Retired FBI agent and criminal profiler Candice DeLong dives into the infamous case of Bryan Kohberger. In November 2022, four University of Idaho students were brutally murdered in their off-campus home, kicking off a six-week manhunt that captivated the world. When investigators traced DNA evidence and digital data back to Kohberger, a criminology PhD student studying the psychology of killers, the story took an even darker turn. Candice examines how Kohberger’s lifelong social isolation, feelings of rejection, and status as an outcast may have fueled a deep psychological need for power and control, and how his fascination with criminal minds may have ultimately led him to become one himself.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Oct 28, 2025 • 48min
Encore: Down the Hill: the Delphi Murders
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."See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Oct 21, 2025 • 35min
Encore: The Path to Profiling: Part II
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. 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.


