The Mind Detective
Joni E. Johnston, Psy.D.A forensic psychologist, private investigator and crime writer explores the psychology of the criminal mind.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 151 | Subscribers | Read | joniejohnstonpsyd.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Is This Woman Our Latest Serial Killer?
Editor’s note: Gudrun Linda Jean Casper-Leinenkugel’s first court appearance is scheduled for April 30. She has pleaded not guilty and is presumed innocent. All characterizations of the evidence in this article reflect publicly available co...
Caleb Flynn Was a Worship Pastor. He Says an Intruder Killed His Wife, Ashley. The Last Pastor Who Told That Story Is Serving Life Without Parole.
Editor’s note: This article was written before the start of the trial in State of Ohio v. Caleb Flynn (Miami County Common Pleas Court, trial scheduled to commence May 4, 2026). Caleb Flynn has pleaded not guilty and is presumed innocent. A...
Robert McCaffrey's Wife Has Been Missing for 14 Years. DNA Just Connected Him to a Different Murder
On October 20, 2024, thirty-four years to the day after a hunter found Lisa McBride’s remains at the base of a cherry tree in the New Jersey woods, a stranger on Reddit published a love letter to a woman she’d never met.
Rex Heuermann Pleaded Guilty to Protect Something. It Wasn't His Family.
In the summer of 2009, fifteen-year-old Amanda’s phone rang. She glanced down and saw her missing sister’s name on the screen. Melissa Barthelemy, 24, had vanished from the Bronx a week earlier. Amanda couldn’t wait to hear her sister’s voi...
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Authors
The writers behind this newsletter.
forensic psychologist, private investigator, speaker, true crime writer, host of Unmasking a Murderer YouTube channel, Psychology Today blogger, The Mind Detective on Subtack, author of Serial Killers: 101 Questions True Crime Fans Ask
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