Reisen Fire Consultants
Reisen Fire Consultants
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Fire Investigation Consulting Services

Origin and Cause Fire Investigations

Interviewing / Written Statement Analysis

Origin and Cause Fire Investigations

Fire-damaged room with burnt furniture and debris.

Fire is a rapid oxidation process that results in an exothermic chemical reaction, producing smoke, heat, and fire damage, which can complicate the task of finding the point of origin. Whether it involves a residential or commercial structure, wildland, vehicle, vessel, or personal property fire, our experts conduct thorough fire cause analysis and evidence examination to pinpoint the ignition source. We examine all other possible ignition sources to determine the source that caused the damage.

Product Liability and Subrogation

Interviewing / Written Statement Analysis

Origin and Cause Fire Investigations

Red pipe cleaner loop tied around rusty metal part.

To determine a possible fire cause, an evidence examination of appliances, equipment, electrical wiring, and fire debris found near the origin areas is essential. Proper identification and information from these items must be gathered to assess whether a product failure occurred or if there was a manufactured defect, which is crucial for effective fire cause analysis and improving fire protection systems.

Interviewing / Written Statement Analysis

Interviewing / Written Statement Analysis

Interviewing / Written Statement Analysis

Man in suit with head in hand, looking stressed.

Interviewing is an art form, and we can assist our clients in obtaining the truth through structure interviews. Mr. Reisen has mastered the art of reading body language and is skilled at identifying half-truths, missing details and deception.  He is an instructor on the Art of Reading Body Language and has taught hundreds of fire investigators and law enforcement officers. He can analyze written statements to reveal lies and information gaps that most individuals do not see in a written statement or video interview.

Evidence Examinations

Interviewing / Written Statement Analysis

Melted and burned black power strip.

Evidence examination is a crucial aspect of all civil litigation fire investigations. We specialize in conducting comprehensive evidence examinations to determine the fire cause or rule out potential causes through meticulous fire cause analysis and failure analysis. As your case management coordinator, we can arrange a joint evidence examination with all relevant parties, manage evidence storage for our clients, and ensure adherence to evidence protocols, all while maintaining a safe environment.

Photo and Document Analysis

Burnt metal bed frame with fire damage.

Photographs or videos from a fire scene investigation can tell a story of what, where, when, and sometimes how the incident progressed. These photos can illustrate how smoke, heat, and fire traveled through the structure, highlighting the stages the fire advanced through. In conjunction with evidence examination, analyzing documents, written statements, and deposition transcripts can help establish the timeline of the fire, and the human timeline which may show how victims played a role in the incident.  Our development of these timelines has assisted our clients with successful outcomes.

Expert Testimony

Document titled 'Expert Testimony' with a gavel on top.

Legal considerations impact every phase of a fire investigation, including evidence found, how it was collected, preserved and maintained. It is imperative for fire and law enforcement officials not to prejudge a determination of the fire cause because facts of the case and evidence will be ignored. We adhere to the systemic approach and scientific method during our fire investigations and have compelling testimony in depositions and at trials, ultimately leading to successful outcomes for our clients.

Evidence Storage

Evidence bag with case details and item description.

As evidence custodians, we collect, secure, preserve, and maintain evidence for our clients.  Evidence is stored in a climate-controlled environment until it is requested for an evidence examination, fire cause analysis or courtroom proceedings.

Fire Protection and Detection Systems Analysis

Fire alarm system components including control panel and detectors.

Fire detection systems, including fire protection, suppression, and alarm systems, play a crucial role in life safety. All devices and systems should undergo evidence examination and be reviewed for compliance to ensure the device worked properly.

Serious Injury and Line-of-Duty Death Investigation Consulting

Serious Injury and Line-of-Duty Death Investigation Consulting

Worn firefighter jacket with reflective stripes.

If a fire department experiences a serious injury or line-of-duty death to a firefighter, the agency that has experienced the loss shall conduct a LODD Investigation to reduce liability. Mr. Reisen has assisted in conducting SIOD and LODD investigations, and we can assist your department in this vital task. All personal protective equipment (PPE) along with any tools, radio, SCBA and hose lines will need to be photographed, collected, and preserved as evidence for a possible evidence examination to safeguard against future civil litigation. We can serve as your department's evidence custodian, ensuring that all evidence is secured and preserved.

Copyright © 2026 Reisen Fire Consultants - All Rights Reserved.

Reisen Fire Consultants, LLC is a private investigation company licensed in Florida.

State A License #1800234 and C License #2300283

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