640 // A Killer's Blueprint w/ Heather Mroczenski
From Crawlspace - True Crime & Mysteries by Crawlspace Media
April 1, 2026 · 45 min · Episode 640
About this episode
In this episode, the hosts discuss the insights from Heather Mroczenski's book on the psychological development of killers.
Welcome back to Crawlspace. In this new episode, Tim Pilleri & Lance Reenstierna are joined by new friend of the show, Ms. Heather Mroczenski. Heather is a has written an extraordinarily fascinating book, Blueprint Of A Killer: Monsters in the Making, from Childhood to Murder. The book asks the vitally relevant questions, how did this start? What happened to cause the headlines, body counts, and documentaries? Heather is a Board Certified Behavior Analyst (BCBA) with a master’s degree in Applied Behavior Analysis and a life-long love of writing. WE HAVE A LIVE SHOW WITH THE SHOW, ANOTHER F*CKING HORROR PODCAST. IT'S CALLED: CRIMINALLY STUPID - THE SEARCH FOR THE WORLDS DUMBEST CRIMINAL. FOR TICKETS, GO TO: https://www.eventbrite.com/e/criminally-stupid-the-search-for-the-worlds-dumbest-criminal-tickets-1984625623665 Check out our friends at Quince! Great clothing, great pricing and we love them! Go to Quince.com/CRAWLSPACE for free shipping and 365-day returns! To pick up a copy of Blueprint Of A Killer, go to: https://bookshop.org/p/books/blueprint-of-a-killer-monsters-in-the-making-from-childhood-to-murder/74cac7b300084422?ean=9781970361155&next=t To learn more…
People in this episode
Hosts: Tim Pilleri, Lance Reenstierna
Guest: Heather Mroczenski
Topics covered
- true crime
- behavior analysis
- murder
- childhood development
- psychology
Keywords
- true crime
- murder
- behavior analysis
- Heather Mroczenski
- childhood
- psychology
- Crawlspace
Sponsors
Quince
Mentioned in this episode
Organizations: Blueprint Of A Killer: Monsters in the Making, BlueSprig, Wild Blue Press
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