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Multiple origin areas

Two or more separate, unconnected zones of fire origin in a structure, each with independent burning evidence; the strongest physical indicator of incendiary cause in structure fire investigation under NFPA 921 systematic methodology.

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Related terms

Cal Fire Law Enforcement and Investigations DivisionDevil's eye burn patternHeel of a fireIgnition-point clustering analysisNegative-corpus argumentPour patternTime-of-day analysisTrailer evidenceUndetermined cause

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