Motive, Means, and Opportunity: Determining Responsibility in an Arson Case Credit Hours: 4 Approximate reading time: 2 Hours Approximate online time: 1 Hour You Must Be Signed In To View This Program. Register Today NFPA Documents Disclaimer- NFPA and other resource editions cited within the CFITrainer.Net site were current as of the release of the respective modules. The field of fire investigation and its guiding documents are constantly evolving and it is incumbent upon the fire investigator to remain up to date with the guidance in the current editions of the documents referenced in all modules on CFITrainer.Net, regardless of which edition was used in the writing of the module. Program Abstract This module uses the Motive, Means, and Opportunity case study to demonstrate how responsibility is determined in an arson case and what evidence may be left behind by the perpetrator. The module defines motive, means, and opportunity and provides guidance on how investigators can establish each of these factors in an incendiary fire. The module also provides information on arson for profit fires where insurance fraud is involved.