Showing posts with label evidence marshaling. Show all posts
Showing posts with label evidence marshaling. Show all posts

Friday, October 04, 2013

MarshalPlan 6.x (evidence marshaling software)

A. Background
Years ago David A. Schum and I developed the notion of an evidence marshaling system. We laid out the underlying theory of this evidence marshaling system in A Theory of Preliminary Fact Investigation. We developed a kind of computer embodiment, or computer-based expression, of our idea of an evidence marshaling system. Eventually we decided to call our system "MarshalPlan."

  • Some of my more recent thoughts about the theoretical foundations of MarshalPlan may be found here (long blog post called "The Ramshackle -- and Logical -- Character of Explicit Human Factual Inference" (June 18, 2011)).
  • In the years following my seven(!)-year NSF-supported collaboration with David Schum, I continued to tinker with MarshalPlan. I did so by both modifying and adding "stacks," or files. (Each stack corresponds to an evidence marshaling strategy, or method.) The most recent iteration of the evidence marshaling software is MarshalPlan 6.x.
    A few years ago I began to make MarshalPlan available via the internet. Further below in this post I lay out a relatively simple way that many of you can now use to download and run MarshalPlan 6.x.



    B. Caveats

    Before you download or access MarshalPlan, please consider the following important caveats:
    1. The current iteration of MarshalPlan -- MarshalPlan 6.x -- is not a prototype of a working application suitable for real-time and real-world use. Far from it! However, MarshalPlan 6.x goes beyond just scratchings (text) that explain how an evidence marshaling application might work. Even so, it is not far from the truth to say that MarshalPlan is mainly an elaborate visual illustration of some of the directions that development of software for marshaling evidence in legal settings should take. But, but ... MarshalPlan 6.x is a bit more than an illustration of possible future directions for research and development. MarshalPlan as it now stands is useful for pedagogical (i.e., teaching) purposes. Moreover, MarshalPlan is creeping ever closer to being something akin to a genuine software prototype suitable for real-world and real-time use. 
    2. In MarshalPlan there are only brief explanations of some of the evidence marshaling strategies found there. Other marshaling strategies, however, are described and explained more fully. For a comprehensive account of the thinking that went into MarshalPlan, please see the readings mentioned above. If you want a truly comprehensive theory-laden explanation of MarshalPlan, you will have to invite me to give a leisurely talk (preferably on a tropical island or some other attractive venue).
    3. A few buttons and links may not work. If that happens, try other buttons and links. (Otherwise resort to expletives. You have my permission.) 
    4. MarshalPlan 6.x is currently not set up to be linked to a database. This is an almost fatal deficiency for any possible real-world use in a context such as law practice. (But it would not be difficult for a reasonably proficient programmer to eliminate this deficiency.)

    C. Instructions

    Try the following method to view and play with MarshalPlan 6.x:
    Go to http://tillers.net/MarshalPlan 6.x and open the subfolder "Windows" and then click on MarshalPlan 6.x.exe. 
    A free open source version of the scripting language for MarshalPlan is now available (go here). It is called "LiveCode Community."

    • Caveat: I reserve my copyright to MarshalPlan. This means in part that you cannot distribute, lease, or use any version of MarshalPlan for profit or for commercial purposes without my express written permission.
    Nota Bene: You will very probably not be able to run MarshalPlan 6.x on an Apple computer. The Apple OS probably still strips MarshalPlan of the ability to run on Apple computers. Sorry! {Take your grievance if any to the paternalistic Apple Corporation, which likes closed worlds, particularly those that it controls.} But there is a solution! Send an email message to peter@tillers.net and ask me to share a relevant DropBox folder with you. I will probably happily oblige.
    &&&
    The dynamic evidence page




    Friday, September 14, 2012

    MarshalPlan 5.5

    I have created - with the critical but now long-past inspirational and technical contribution of David A. Schum - a prototype, or an interactive sketch, of an evidence marshaling app for evidential discovery and proof in legal settings.




    I call the current iteration of this app "MarshalPlan 5.5" You can download this app for use on a Windows computer by  going to http://tillers.net/MarshalPlan.5.5/ and opening the subfolder "Windows" and then clicking on MarshalPlan 5.5exe (NOT MarshalPlan.5.5exe).
    • Apple Corporation seems to strip this exe file of its ability to run on Apple computers. Sorry!
     I think that one of of my most interesting MarshalPlan stacks (files) is "Legal Argument."


    The following "cards" in the Legal Argument "stack" (file) illustrate how a traditional legal treatise writer might think (in part) about legal interpretation:





    &&&
    The dynamic evidence page

    Evidence marshaling software MarshalPlan


    Monday, May 09, 2011

    A Two-Part Course in Fact Investigation: Tentative Descriptions



    Fact Investigation I  (Fall 2011)
    Professor: Tillers/Segal
    Credits: 3 (2 academic, 1 clinical) 
    Pre/Corequisite: None

    Effective pretrial investigation requires not only imagination, but also careful marshaling of evidence and careful organization of thinking about evidence. It frequently requires the application of a variety of distinct marshaling and analytical methods such as the development of time lines, the formation of scenarios, orderly assessment of the credibility of testimonial evidence, and the marshaling of evidence on the basis of legal rules and their elements. Students in the course are introduced to a toolkit of evidence marshaling strategies for investigation. Students also become familiar with important databases and public records. Students work in teams and conduct actual investigations of real-world problems. Consult the following web site for a more detailed description of the course: http://tillers.net/fi-course/fi-home.html. 

    Fact Investigation II  (Spring 2012)
    Professor: Tillers/Segal
    Credits: 2
    Pre/Corequisite: Fact Investigation I

    This course is a continuation of Fact Investigation I. In this course, teams of students carry forward and bring to a conclusion one or more of the investigations launched by the members of the previous semester's course in fact investigation. Although this course and the previous semester's course in fact investigation have some common objectives and themes, this course differs in important ways from its predecessor. In this course, there is a greater emphasis on sources of evidence apart from databases and public records; for example, there is a greater emphasis on witness interviews. More generally, this semester there is less emphasis on exploratory investigation and more emphasis on bringing an investigation to a successful conclusion. For this reason, close attention is given to the relationship between (i) decisions and steps during investigation and (ii) matters such as (a) the legal requirements governing the admissibility of evidence in settings such as trials and (b) the persuasiveness of evidence submitted to a trier of fact or audience such as a judge, a jury, a legislative committee, a corporate executive, or the public.