The Investigation Process Research Resource Site
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Launched Aug 26 1996.


Computer-assisted investigation tools have increased in number, variety and complexity in the last 15 years. I initiated this page in the Spring of 2007 to create a dynamic listing of investigation-support software in which investigation process researchers might be interested. The software reflects the underlying investigation concepts, principles and procedures of the creators, and thus provides insights into those underlying ideas, as well as their role in the investigation processes.

This list is not represented to be exhaustive; additions will be posted as soon as I find out about the software, so if you know of any that is being marketed or used, please send me the reference so I can post it.

The reference here to any investigation software should not be interpreted as an endorsement for any software provider, package or use for the investigation process. Feedback from users is of course invited for the Review>Tools section.

Software offerings are listed in alphabetical order. Please respect the proprietary rights and interests of those supporting commercial investigation products. The characterizations are mine: vendors are requested to bring any mischaracterizations to my attention and I will correct them.

Trial versions, when available, are so noted.

  • AI Toolkit
    This is an example of one of many motor vehicle accident investigation and reconstruction software packages, not all listed here. See also The Accident Investigators Software Tracer site for more road accident investigation software links.

  • Investigation Catalyst
    Investigation Catalyst is investigation support software to help investigators fully describe and explain incidents, and develop remedial behavior changes. Software trial application download with self-instruction tutorial and guide available. Supports multilinear events sequencing-based investigation system technology and outputs.

  • Kelvin TOP-SET®
    Kelvin TOP-SET® is proprietary industrial incident and accident investigation and prevention support software. Trial download available. The method is a experiential cause-based industrial accident data entry, analysis and report preparation system.

  • NASA's Investigation Organizer
    InvestigationOrganizer is a Web-based collaborative information management and modeling tool designed to support mishap investigation teams, for use with NSAS investigations. Fault tree and MORT oriented system. See

  • PROACT® RCA Software
    This is part of a suite of proprietary software, intended to serve as investigators' project management tool for conducting a Root Cause Analysis investigation. Part of the vendor's reliability-oriented team based failure analysis and system; geared to use by trained personnel, with emphasis on why poor decisions are made.

  • Reality Charting™
    Reality Charting is proprietary software specifically created to facilitate problem analysis with the Apollo method. Only licensed to those who have completed the Apollo Root Cause Analysis training. Supports problem-diagnosis oriented investigation and analysis method.

  • TapRoot® Software
    This is a suite of proprietary software tools to manage investigations. Based on computerization of the TapRooT® root cause system described in TapRooT® book; best used by trained individuals. Screen shots on line.

  • Transite Logic Systems has software offerings to help investigators develop displays of traffic accidents and crime scenes. Demos, trials available on line.

  • Tripod Beta Software
    Tripod Beat software is proprietary Tripod Beta team incident investigation and analysis support, requiring training and accreditation. Based on Tripod Theory of Accident Causation and the Hazard and Effect Management Process.

  • Why-Because
    Why-Because Analysis' primary application is the analysis of accidents, mainly to transportation systems. The WB Graph is the main output; it provides a rigorous causal explanation of the behavior being analyzed. WB-Toolset is implemented in a "black box" PC.

Please send urls for others to list to me at, and I'll add them. LB