Podcasts · True Crime

Killer Psyche

Audible | Treefort Media

172 episodes · Explicit

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.

More about the show

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Episodes page 3 of 4

  1. Beyond Lady In The Lake: A Conversation With Author Laura Lippman

    · 28 min · S4 E15 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong speaks with award-winning novelist Laura Lippman, author of the bestselling novel Lady in the Lake and the Tess Monaghan detective series, to discuss her career as…

  2. John Cooper: The Bullseye Killer

    · 41 min · S4 E14 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong explores the case of John Cooper, also known as the “Bullseye Killer.” In the ‘80s, Cooper committed two double murders in the Welsh county of Pembrokeshire in the…

  3. The Trial of Sarah Boone

    · 31 min · S4 E13 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong speaks with attorney and former public defender Kate Hardie to discuss the trial of Sarah Boone. In 2020, Boone was charged with second-degree murder in the death…

  4. The Story of "Lawyer X": A Conversation with Marcia Clark

    · 38 min · S4 E12 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong speaks with famed attorney and legal analyst Marcia Clark to discuss the case of Nicola Gobbo, the subject of the new Wondery podcast Informants: Lawyer X. In the…

  5. Igniting Fear: The Crimes of Peter Tredget

    · 40 min · S4 E11 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong examines the case of Peter Tredget. Starting at the age of 12, Tredget terrorized the English city of Hull by setting a string of deadly fires which claimed at…

  6. Hillside Stranglers, Part II

    · 26 min · S4 E10 · Explicit

    In the second half of this two-part episode, retired FBI agent and criminal profiler Candice DeLong continues to explore the case of cousins Kenneth Bianchi and Angelo Buono Jr., also known as the “Hillside…

  7. Hillside Stranglers, Part I

    · 39 min · S4 E9 · Explicit

    In the first half of this two-part episode, retired FBI agent and criminal profiler Candice DeLong explores the case of cousins Kenneth Bianchi and Angelo Buono Jr., also known as the “Hillside Stranglers.” Between…

  8. The Liske Family Murders

    · 43 min · S4 E8 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong examines the case of William “B.J.” Liske. On the morning of Halloween 2010, B.J. killed three members of his own family: his father, stepmother and stepbrother.…

  9. Joe Hunt & The Billionaire Boys Club

    · 48 min · S4 E7 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong dives into the case of Joe Hunt. In the 1980s, Hunt formed a high-profile investment and social group dubbed the “Billionaire Boys Club,” calling on some of the…

  10. Quincy Allen: A Conversation with Karen Conti

    · 42 min · S4 E6 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong speaks with Karen Conti, John Wayne Gacy’s former appeals lawyer, to discuss the case of Quincy Allen. In 2002, Allen went on a deadly crime spree that claimed the…

  11. Nannie Doss: The Giggling Granny

    · 44 min · S4 E5 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong dives into the case of Nannie Doss, also known as the “Giggling Granny.” From 1927 to 1954, Doss poisoned and killed four of her five husbands – and was even…

  12. Rex Heuermann: What the Evidence Tells Us

    · 39 min · S4 E4 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong speaks with legal analyst Josh Ritter to discuss the headline-dominating case of Rex Heuermann, the alleged Long Island Serial Killer. Authorities believe…

  13. When Serial Killers Surrender: The Case of Mack Ray Edwards

    · 42 min · S4 E3 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong examines the case of Mack Ray Edwards. Between 1953 and 1970, Edwards killed at least six children in Los Angeles County, California, using his career in highway…

  14. The Life & Crimes of "Wild Bill": An Interview with Journalist Nick Foster

    · 39 min · S4 E2 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong speaks with journalist Nick Foster to discuss the case of William Holbert, also known as “Wild Bill.” On the run from U.S. authorities, Holbert and his partner,…

  15. Pamela Buchbinder

    · 41 min · S4 E1 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong dives into the attempted murder of Dr. Michael Weiss. In 2012. Michael and his ex-girlfriend, Dr. Pamela Buchbinder, both New York psychiatrists, were in a bitter…

  16. Encore - Paul Bernardo and Karla Homolka: The Ken & Barbie Killers

    · 43 min · S3 E69 · Explicit

    Former FBI agent and criminal profiler Candice DeLong digs into the murders committed by Paul Bernardo and Karla Homolka - dubbed the ‘Ken and Barbie Killers’ by the press for their youth and good looks. But their name…

  17. Killer Psyche: Season Four Preview

    · 2:30 · Trailer · Explicit

    Killer Psyche is back! Former FBI agent and criminal profiler Candice DeLong continues her fascinating deep dives into the complex psychology and unsettling motivations behind the most disturbing criminal figures. This…

  18. Encore - Dorothea Puente: Killer Landlord

    · 43 min · S3 E68 · Explicit

    Former FBI agent and criminal profiler Candice DeLong delves into the case of Dorothea Puente, a murderer who primarily found her victims at the boarding house she oversaw. Dorothea hid behind a kind, grandmotherly…

  19. Jerry Brudos: Fetish Killer

    · 47 min · S3 E67 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong explores the case of Jerry Brudos. In his youth, Jerry developed an obsession with women’s feet and shoes – an obsession that would eventually drive him to murder…

  20. Karen Read

    · 37 min · S3 E66 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong speaks with legal analyst Josh Ritter to discuss the polarizing trial of Karen Read, who stands accused of killing her boyfriend, Boston Police officer John…

  21. Dennis Rader - BTK PT II: A Conversation with Katherine Ramsland

    · 39 min · S3 E65 · Explicit

    In the second half of this two-part episode, retired FBI agent and criminal profiler Candice DeLong speaks with Dr. Katherine Ramsland, a forensic psychologist and one of the world’s foremost experts on serial killers.…

  22. Dennis Rader: BTK Part I

    · 51 min · S3 E64 · Explicit

    In the first half of this two-part episode, retired FBI agent and criminal profiler Candice DeLong explores the case of Dennis Rader, also known as BTK. Over 17 years, Rader tortured and murdered 10 people, while…

  23. Dennis Nilsen: The Kindly Killer

    · 48 min · S3 E63 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong examines the case of Dennis Nilsen. Between 1978 and 1983, Nilsen preyed on the homeless and gay communities of London, murdering 15 people in his home. Candice…

  24. Matthew Milat: Keeping Murder in the Family

    · 39 min · S3 E62 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong digs into the case of Matthew Milat. In his early teen years, Matthew harbored an unhealthy obsession with his uncle -- Ivan Milat, the notorious "Backpack…

  25. Belinda Van Krevel: Her Brother's Keeper

    · 46 min · S3 E61 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong explores the case of Belinda Van Krevel. After enduring a childhood of alleged abuse – and her brother’s eventual spiral into violence and imprisonment – she…

  26. Stephen Griffiths: Crossbow Killer

    · 40 min · S3 E60 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong dives into the case of Stephen Griffiths. Between 2009 and 2010, Griffiths killed and cannibalized women in the West Yorkshire, England town of Bradford. His…

  27. Tackling True Crime, One Podcast at a Time: A Conversation With M. William Phelps

    · 14 min · S3 E59 · Explicit

    For more than 20 years, bestselling author and investigative journalist M. William Phelps has been immersed in the world of true crime. As the host of the podcast Paper Ghosts, he seeks answers in unsolved cases. And…

  28. Nancy Brophy: The Husband Killer

    · 44 min · S3 E58 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong walks us through the case of Nancy Brophy. Brophy was a romance novelist who murdered her husband Daniel at the culinary institute where he worked in 2018. Though…

  29. How (Not) to Murder Your Husband: Inside the Story of Nancy Brophy

    · 15 min · S3 E57 · Explicit

    In today’s Headlines, Candice is joined by novelist Heidi Tretheway, who was formerly a member of Brophy's writing group, and currently hosts the new Wondery limited series Happily Never After: Dan and Nancy. Together,…

  30. The Case of Kouri Richins: Will the Defense Struggle to Prove Her Claim of Innocence?

    · 13 min · S3 E56 · Explicit

    In 2022, after the sudden death of her husband, Utah mother Kouri Richins released a children’s book about coping with grief. But shortly after the book garnered national attention, Kouri was charged with murder.…

  31. Felonious Florida: The Case of The Pillowcase Rapist

    · 15 min · S3 E54 · Explicit

    During the 1980s, women in South Florida were terrorized by a prolific serial rapist. Victims reported a man sneaking into their homes at night and assaulting them while covering their faces with a pillowcase. They…

  32. John Wayne Gacy: The Killer Clown, Part I

    · 54 min · S3 E53 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong breaks down the seminal case of John Wayne Gacy. Known as the "Killer Clown," Gacy murdered thirty-three boys and young men, burying the majority of them under his…

  33. The Weepy Voiced Killer: Paul Michael Stephani

    · 38 min · S3 E51 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong delves into the case of Paul Michael Stephani, also known as the “Weepy-Voiced Killer.” A serial murderer who terrorized women around St-Paul in the early 80s,…

  34. Jennifer and James Crumbley Sentenced: Will More Parents Pay for Their Child’s Crimes?

    · 13 min · S3 E42 · Explicit

    Ethan Crumbley was just 15 years old when he was arrested for killing four students and injuring several others in a shooting at Oxford High School in 2021. When investigators learned that his parents, Jennifer and…

  35. Israel Keyes: The Making of an American Monster

    · 50 min · S3 E37 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong walks us through the sordid case of Israel Keyes, one of the most prolific serial killers in American history. Though Keyes was only formally charged with one…

  36. Terror on the Interstate: The Crimes of Randall Woodfield

    · 34 min · S3 E32 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong unearths the case of Randall Woodfield, also known as the "I-5 Killer." A former football player turned serial killer who terrorized the West Coast in the 1970s,…

  37. Lover, Stalker, Killer: Inside the Twisted Mind of Liz Golyar

    · 12 min · S3 E27 · Explicit

    The Netflix docuseries “Lover, Stalker, Killer” digs into the head-scratching story of Liz Golyar, who, for three years, fooled her ex-fling Dave into thinking that his current partner, Cari Farver, was a deranged and…

  38. Charles Roberts: The Amish Schoolgirl Massacre

    · 38 min · S3 E22 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong digs into the case of mass murderer Charles Roberts. In 2006, Roberts took an Amish school in Pennsylvania hostage and killed ten young girls before shooting…

  39. Paolo Macchiarini: Dr. Death

    · 43 min · S3 E18 · Explicit

    Former FBI agent and criminal profiler Candice DeLong digs deeper into the case of Paolo Macchiarini, the subject of Wondery's podcast and the new season of Peacock's TV series Dr. Death. Paolo was a star surgeon whose…

  40. John Joseph Joubert: The Deadly Airman

    · 47 min · S3 E15 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong dives into the tale of John Joseph Joubert, an airforce radar technician who strangled three young boys to death. Though John’s childhood was filled with…

  41. John Bunting: The Snowtown Murders

    · 43 min · S3 E14 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong digs into John Bunting, the ring leader of the Australian Snowtown murders. Bunting recruited acolytes to help him kill those he deemed unfit to live. Bunting…

  42. Matriarch of Murder: Sante and Kenneth Kimes' Trail of Death, Part I

    · 50 min · S3 E12 · Explicit

    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…

  43. Lethal Infatuation: The Amy Fisher Affair

    · 44 min · S3 E4 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong digs into the shooting of Mary Jo Buttafuoco by then 17-year-old Amy Fisher, who was having an affair with Mary Jo's husband, Joey. Candice delves into Amy's…

  44. Leopold & Loeb, Part I

    · 38 min · S3 E1 · Explicit

    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…

  45. Killer Psyche: Season Three Preview

    · 2:25 · Trailer · Explicit

    Killer Psyche is back! Former FBI agent and criminal profiler Candice DeLong continues her fascinating deep dives into the complex psychology and unsettling motivations behind the most disturbing criminal figures.…

  46. The Slender Man Stabbings

    · 44 min · S2 E39 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong unravels the internet-driven cult known as "Slender Man." Two twelve year old girls lured their friend into the forest and stabbed her nineteen times in order to…

  47. The Woman Who Shot her Own Children: Diane Downs, Part I

    · 41 min · S2 E37 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong dives into the case of Diane Downs, a troubled woman who longed for motherhood, yet murdered her daughter and shot her other two children. Need more Killer…

  48. Chicago's Mass Murderer: Richard Speck

    · 47 min · S2 E35 · Explicit

    Retired FBI agent and criminal profiler Candice DeLong dives into the grisly mass murders that rocked Chicago in the 1960s. Richard Speck killed eight student nurses in their residence. Candice walks us through Speck's…

  49. Mary Bell: The 11-Year-Old Killer

    · 41 min · S2 E30 · Explicit

    Former FBI agent and criminal profiler Candice DeLong examines the upsetting case of Mary Bell, an 11-year-old who killed two young boys. While Mary's crimes were horrific, it would be too simplistic to say she was…

  50. The Candy Store, Part I: Undercover Madam

    · 32 min · S2 E25 · Explicit

    Once upon a time, former FBI agent and criminal profiler Candice DeLong was assigned to the drug squad working in tandem with the DEA. In this special episode, Candice recounts one of her wildest operations…

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