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Welcome back to Fire Investigation in Focus! In this episode, hosts Scott Kuhlman and Chasity Owens dive deep into the world of fire patterns, fire effects, and origin determination, bringing both practical field experience and NFPA 921 insights straight to your headphones.

We kick things off by introducing Ember Casts—shorter, 10–20 minute mini-episodes designed to drop in between full shows, offering a “little ember of knowledge, big flames of understanding.” These quick hits will cover focused topics, case takeaways, and emerging tools, giving fire investigators the edge to stay sharp between major episodes.

From there, Scott and Chasity break down the different types of fire patterns you’ll encounter in the field: hot gas layer effects, plume-generated patterns, ventilation-driven patterns, suppression artifacts, and even undetermined or misleading fire patterns. Through real-world case studies—including residential and fatal fires—they explain how to distinguish between cause and effect, avoid common misinterpretations, and build reports that stand up to scrutiny in deposition or trial.

Listeners will hear about the importance of report writing language (first vs. third person), how forensic science terminology is evolving in NFPA 921 (2024 edition), and why tools like heat and flame vector analysis are crucial for sequencing and communicating your findings clearly. Scott and Chasity also share stories from training burns, suppression pattern recognition, and investigative “aha moments” that highlight the skillset fire investigators acquire over time.

The episode also touches on investigator mindset, reminding professionals to show grace when explaining findings to attorneys, homeowners, or jurors who don’t see fire scenes every day. Plus, there’s a look ahead at upcoming fire investigation trainings and conferences, including Illinois, Nebraska, North Dakota, Nevada, and CCAI events, as well as a Spanish-language FIG Global webinar.

Whether you’re a new fire investigator hungry for knowledge or a seasoned professional looking for a refresher on NFPA 921 fire patterns, origin determination, and scientific method application, this episode is packed with practical insights, case examples, and professional takeaways to strengthen your investigative toolbox.

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